152. “Development of MoS2 quantum devices with a micro-graphite back gate”,
Yuta Kera, Akitomi Shirachi, Motoya Shinozaki, Shunsuke Yashima, Kosuke Noro, Takeshi Kumasaka, Azusa Utsumi, Takashi Taniguchi, Kenji Watanabe, Tomohiro Otsuka,
International Symposium MSSp2025, Sendai, Nov. 5, 2025 (Poster)
151. “Formation of quantum dots in graphene nano islands”,
Takumi Seo, Motoya Shinozaki, Akiko Tada, Yuta Kera, Shunsuke Yashima, Kosuke Noro, Takeshi Kumasaka, Azusa Utsumi, Takashi Matsumoto, Yoshiyuki Kobayashi, Tomohiro Otsuka,
International Symposium MSSp2025, Sendai, Nov. 5, 2025 (Poster)
150. “Observation of ZnO Double Quantum Dots in Few-Electron Regime”,
Kosuke Noro, Motoya Shinozaki, Yusuke Kozuka, Kazuma Matsumura, Yoshihiro Fujiwara, Takeshi Kumasaka, Atsushi Tsukazaki, Masashi Kawasaki, Tomohiro Otsuka,
International Symposium MSSp2025, Sendai, Nov. 5, 2025 (Poster)
149. “On-Board Calibrated Cryogenic RF Characterization of SrTiO₃ Varactors for Quantum Device Applications”,
Akitomi Shirachi, Motoya Shinozaki, Yasuhide Tomioka, Hisashi Inoue, Kenta Itoh, Yusuke Kozuka, Takanobu Watanabe, Shoichi Sato, Takeshi Kumasaka, Tomohiro Otsuka,
International Symposium MSSp2025, Sendai, Nov. 5, 2025 (Poster)
148. “Direct fabrication of graphene/hBN-based superconductor junctions by plasma-enhanced chemical vapor deposition”,
Zhuoqun Li, Yuto Tsukisate, Hiroto Ogura, Azusa Utsumi, Tomohiro Otsuka, Toshiaki Kato,
The 16th International Conference on Recent Progress in Graphene and 2D Materials Research, Toyama, Nov. 5, 2025 (Poster).
147. “Efficient Fabrication of Graphene-Based Josephson Junctions for Large-Scale Integrated Quantum Devices”,
Hiroto Ogura, Yuto Tsukidate, Zhuoqun Li, Azusa Utsumi, Tomohiro Otsuka, Toshiaki Kato,
The 16th International Conference on Recent Progress in Graphene and 2D Materials Research, Toyama, Nov. 4, 2025 (Poster).
146. “Cryogenic On-Board Calibrated RF Measurement for Characterizing SrTiO3-Based Capacitors”,
Akitomi Shirachi, Motoya Shinozaki, Yasuhide Tomioka, Hisashi Inoue, Kenta Itoh, Yusuke Kozuka, Takanobu Watanabe, Shoichi Sato, Takeshi Kumasaka, Tomohiro Otsuka,
International Conference on Hybrid Quantum Systems and Nanotechnologies 2025, Matsue, Oct. 27, 2025 (Poster).
145. “Microwave varactor using Pt/SrTiO3 Schottky junctions”,
Kenta Itoh, Akitomi Shirachi, Motoya Shinozaki, Shoichi Sato, Takeshi Kumasa-ka, Tomohiro Otsuka, Takanobu Watanabe, Yusuke Kozuka,
31st International Workshop on Oxide Electronics, Banff, Sep. 29, 2025 (Poster).
144. “Electrostatically defined quantum dots in ZnO heterostructures”,
Kosuke Noro, Motoya Shinozaki, Yusuke Kozuka, Kazuma Matsumura, Yoshihiro Fujiwara, Takeshi Kumasaka, Atsushi Tsukazaki, Masashi Kawasaki, Tomohiro Otsuka,
31st International Workshop on Oxide Electronics, Banff, Sep. 29, 2025 (Oral).
143. “Bilayer graphene quantum dot probed by RFSoC-based radio-frequency reflectometry”,
Motoya Shinozaki, Tomoya Johmen, Aruto Hosaka, Takumi Seo, Shunsuke Yashima, Akitomi Shirachi, Kosuke Noro, Shoichi Sato, Takashi Kumasaka, Tsuyoshi Yoshida, Tomohiro Otsuka,
University of Washington - Tohoku University Quantum Materials Workshop, Seattle, Sep. 25, 2025 (poster).
142. “Control of Contact Interface Quality for Efficient Fabrication of Graphene-Based Josephson Junctions”,
Hiroto Ogura, Yuto Tsukidate, Zhuoqun Li, Azusa Utsumi, Tomohiro Otsuka, Toshiaki Kato,
Fullerenes-Nanotubes-Graphene General Symposium, Taipei, Sep. 24, 2025 (Poster).
141. “Direct fabrication of graphene/hBN-bridged superconductor junctions by plasma-enhanced chemical vapor deposition”,
Zhuoqun Li, Yuto Tsukidate, Hiroto Ogura, Azusa Utsumi, Tomohiro Otsuka, Toshiaki Kato,
Fullerenes-Nanotubes-Graphene General Symposium, Taipei, Sep. 24, 2025 (Poster).
140. “Machine Learning-Based Detection of Single-Electron Regime and Virtual Gate Definition in Quantum Dots”,
Yui Muto, Michael R. Zielewski, Motoya Shinozaki, Kosuke Noro, Tomohiro Otsuka,
International Conference on Solid State Devices and Materials, Yokohama, Sep. 17, 2025 (Poster).
139. “Informatics Approaches in Semiconductor Quantum Technologies”,
Tomohiro Otsuka,
Case Western Reserve X Tohoku Joint Symposium, Sendai, Aug. 7, 2025 (invited).
138. “Gate-defined bilayer graphene quantum devices probed by radio-frequency reflectometry utilizing RFSoC platform”,
Motoya Shinozaki, Tomoya Johmen, Aruto Hosaka, Takumi Seo, Shunsuke Yashima, Akitomi Shirachi, Kosuke Noro, Shoichi Sato, Takashi Kumasaka, Tsuyoshi Yoshida, Tomohiro Otsuka,
International Conference on Electronic Properties of Two-Dimensional Systems, St. Louis, Jul. 29, 2025 (poster).
137. “Semiconductor quantum devices based on new quantum materials”,
Tomohiro Otsuka,
University of Washington - Tohoku University Quantum Materials Workshop, Sendai, Jun. 10, 2025 (invited).
136. “Devices utilizing new materials for semiconductor quantum technologies”,
Tomohiro Otsuka,
International VLSI Symposium on Technology, Systems and Applications, Hsinchu, Apr. 23, 2025 (invited).
135. “Automatic detection and analysis of charge transition lines in quantum dots by machine learning”,
Yui Muto, Michael R. Zielewski, Motoya Shinozaki, Kosuke Noro, Tomohiro Otsuka,
The 6th International Symposium on AI and Electronics, Sendai, Jan. 30, 2025 (video).
134. “New materials and techniques for semiconductor spin-based quantum technologies”,
Tomohiro Otsuka,
Impurity Spins for Quantum Information Science and Technologies, Okinawa, Dec. 4, 2024 (invited).
133. “Fabrication of SrTiO3-based capacitor for cryogenic variable microwave resonators”,
Akitomi Shirachi, Motoya Shinozaki, Yasuhide Tomioka, Yusuke Kozuka, Shoichi Sato, Takeshi Kumasaka, and Tomohiro Otsuka,
Symposium for the Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science and Spintronics, Sendai, Nov. 19, 2024(poster).
132. “Analysis of Kondo state in quantum dots fabricated in ZnO heterostructures”,
Kosuke Noro, Yusuke Kozuka, Kazuma Matsumura, Takeshi Kumasaka, Yoshihiro Fujiwara, Atsushi Tsukazaki, Masashi Kawasaki, and Tomohiro Otsuka,
Symposium for the Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science and Spintronics, Sendai, Nov. 19, 2024(poster).
131. “Radio-frequency reflectometry of bilayer graphene quantum devices using RFSoC platform”,
Motoya Shinozaki, Tomoya Johmen, Aruto Hosaka, Takumi Seo, Shunsuke Yashima, Akitomi Shirachi, Kosuke Noro, Shoichi Sato, Takeshi Kumasaka, Takeshi Yoshida, and Tomohiro Otsuka,
Symposium for the Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science and Spintronics, Sendai, Nov. 19, 2024(poster).
130. “Semiconductor quantum devices based on new materials”,
Tomohiro Otsuka,
3rd International Workshop of Spin/Quantum Materials and Devices & 6th Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems, Sendai, Nov. 6, 2024 (invited).
129. “Exploring Quantum Devices with New Materials”,
Tomohiro Otsuka,
Quantum Innovation 2024, Tokyo, Oct. 23, 2024 (invited).
128. “New material-based approaches in quantum devices”,
Tomohiro Otsuka,
International Conference on Solid State Devices and Materials, Himeji, Sep. 2, 2024 (invited).
127. “High-speed electronics for quantum devices and systems”,
Motoya Shinozaki, Yoshihiro Fujiwara, Tomoya Johmen, and Tomohiro Otsuka,
Germany-Japan mini workshop, online, Aug. 19, 2024 (oral).
126. “Semiconductor Quantum Devices Research at Tohoku University”,
Tomohiro Otsuka,
Germany-Japan mini workshop, online, Aug. 19, 2024 (oral).
125. “Formation of quantum dots in ZnO heterostructures and observation of Kondo Effect”,
Kosuke Noro, Yusuke Kozuka, Kazuma Matsumura, Takeshi Kumasaka, Yoshihiro Fujiwara, Atsushi Tsukazaki, Masashi Kawasaki, and Tomohiro Otsuka,
International Conference on the Physics of Semiconductors 2024, Ottawa, Aug. 1, 2024 (oral).
124. “Classifying the Charge State of Quantum Dots by Machine Learning and Improving the Performance by Visual Explanations of the Model”,
Yui Muto, Takumi Nakaso, Motoya Shinozaki, Takumi Aizawa, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura, Motoki Shiga, and Tomohiro Otsuka,
International Conference on the Physics of Semiconductors 2024, Ottawa, Jul. 30, 2024 (oral).
123. “Single PbS colloidal quantum dot transistors”,
Kenji Shibata, Masaki Yoshida, Kazuhiko Hirakawa, Tomohiro Otsuka, Satria Zulkarnaen Bisri, and Yoshihiro Iwasa,
International Conference on the Physics of Semiconductors 2024, Ottawa, Jul. 30, 2024 (oral).
122. “Single PbS colloidal quantum dot transistors”,
Kenji Shibata, Masaki Yoshida, Kazuhiko Hirakawa, Tomohiro Otsuka, Satria Zulkarnaen Bisri, and Yoshihiro Iwasa,
The Materials Research Society (MRS) spring meeting, Seattle, USA, April 26, 2024 (oral).
121. “Semiconductor Qubits and New Materials”,
Tomohiro Otsuka,
UK-Japan-Swiss Workshop ‘Materials for Quantum Electronics’, Manchester, Feb. 28, 2024 (invited).
120. “Improvement of Charge State Estimation in Quantum Dots by Machine Learning and Visualization of the Model by Grad-CAM”,
Yui Muto, Takumi Nakaso, Takumi Aizawa, Motoya Shinozaki, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura, Motoki Shiga, and Tomohiro Otsuka,
The 5th International Symposium on AI and Electronics, Sendai, Feb. 20, 2024 (poster presentation).
119. “Wide dynamic range charge sensing utilizing fast feedback control of radio-frequency reflectometry”,
Motoya Shinozaki, Yoshihiro Fujiwara, Kazuma Matsumura, Kosuke Noro, Riku Tataka, Shoichi Sato, Takeshi Kumasaka, and Tomohiro Otsuka,
Symposium for the Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science and Spintronics, Sendai, Nov. 28, 2023 (poster).
118. “Improving the generalization performance of the machine learning model estimating charge states in quantum dots”,
Yui Muto, Takumi Nakaso, Takumi Aizawa, Motoya Shinozaki, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura, Motoki Shiga, and Tomohiro Otsuka,
Symposium for the Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science and Spintronics, Sendai, Nov. 28, 2023 (poster).
117. “Transport Property of a Few Quantum Dots Formed in Short Channel GaN FETs”,
Kazuma Matsumura, Takaya Abe, Takahito Kitada, Takeshi Kumasaka, Norikazu Ito, Taketoshi Tanaka, Ken Nakahara, and Tomohiro Otsuka,
Symposium for the Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science and Spintronics, Sendai, Nov. 28, 2023 (poster).
116. “Controllable fabrication of graphene nanoribbon-based quantum dot devices”,
Tatsuki Kato, Mizuki Seo, Takahito Kitada, Tomohiro Otsuka, and Toshiaki Kato,
Symposium for the Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science and Spintronics, Sendai, Nov. 28, 2023 (poster).
115. “High-frequency measurement in graphene nanostructures for quantum devices”,
Tomoya Johmen, Motoya Shinozaki, Yoshihiro Fujiwara, Takumi Aizawa, and Tomohiro Otsuka,
Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems, Superconducting SFQ VLSI Workshop, and International Workshop of Spin/Quantum Materials and Devices, Sendai, Nov. 17, 2023 (Oral).
114. “Automatic state recognition of quantum dot hardware utilizing machine learning”,
Yui Muto, Takumi Nakaso, Takumi Aizawa, Motoya Shinozaki, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura, Motoki Shiga, and Tomohiro Otsuka,
International Conference on Machine Learning Physics, Kyoto, Nov. 15, 2023 (poster).
113. “Radio-frequency reflectometry measurement in bilayer graphene microdevices”,
Tomoya Johmen, Motoya Shinozaki, Yoshihiro Fujiwara, Riku Tataka, Takumi Aizawa, Takeshi Kumasaka, and Tomohiro Otsuka
International Conference on Electronic Properties of Two-Dimensional Systems, Grenoble, Jul. 11, 2023 (poster).
112. “Automatic charge state estimation in quantum dots by machine learning and visual explanation of the model with Grad-CAM”,
Yui Muto, Takumi Nakaso, Takumi Aizawa, Motoya Shinozaki, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura, Motoki Shiga, and Tomohiro Otsuka
International Conference on Electronic Properties of Two-Dimensional Systems, Grenoble, Jul. 11, 2023 (poster).
111. “Gate-tunable carrier transport through single PbS colloidal quantum dots”,
Kenji Shibata, Msasaki Yoshida, Kazuhiko Hirakawa, Tomohiro Otsuka. Satria Z. Bisri, and Yoshihiro Iwasa
International Conference on Electronic Properties of Two-Dimensional Systems, Grenoble, Jul. 11, 2023 (poster).
110. “Semiconductor spin qubits and new materials”,
Tomohiro Otsuka,
Workshop: Emerging Platforms for Quantum Computing, Sendai, Apr. 11, 2023 (invited).
109. “Quantum dots in new materials for quantum devices”,
Tomohiro Otsuka,
International Workshop of Spin/Quantum Materials and Devices, Sendai, Feb. 24, 2023 (invited).
108. “Noise Robust Automatic Recognition Method of Charge States in Quantum Dots by Machine Learning”,
Yui Muto, Takumi Nakaso, Takumi Aizawa, Motoya Shinozaki, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura, Motoki Shiga, and Tomohiro Otsuka,
The 4th International Symposium on AI and Electronics, Sendai, Feb. 13, 2023 (video presentation).
107. “Formation of quantum dots in MoS2 utilizing intrinsic Schottky barriers”,
Riku Tataka, Alka Sharma, Tomoya Johmen, Motoya Shinozaki, Takeshi Kumasaka, Yong P. Chen and Tomohiro Otsuka,
Symposium for The Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science, Online, Oct. 25, 2022 (poster).
106. “High-frequency measurement in bilayer graphene nanodevices”,
Tomoya Johmen, Motoya Shinozaki, Yoshihiro Fujiwara, Riku Tataka, Takumi Aizawa, Takeshi Kumasaka and Tomohiro Otsuka,
Symposium for The Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science, Online, Oct. 25, 2022 (poster).
105. “Kondo Effects in ZnO Quantum Dots”,
Kosuke Noro, Takeshi Kumasaka, Yoshihiro Fujiwara, Yusuke Kozuka, Atsushi Tsukazaki, Masashi Kawasaki and Tomohiro Otsuka,
Symposium for The Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science, Online, Oct. 25, 2022 (poster).
104. “Charge state recognition in double quantum dot devices by machine learning”,
Yui Muto, Takumi Nakaso, Takumi Aizawa, Motoya Shinozaki, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura and Tomohiro Otsuka,
Symposium for The Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science, Online, Oct. 25, 2022 (poster).
103. “Noise robust recognition of charge states in quantum dots by machine learning and preprocessing”,
Yui Muto, Takumi Nakaso, Takumi Aizawa, Motoya Shinozaki, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha, Atsunori Kanemura and Tomohiro Otsuka,
International Conference on the Physics of Semiconductors 2022, Jun. 27-30, 2022 (poster).
102. “Noise analysis of radio-frequency reflectometry for single spin and charge detection in quantum dots”,
Tomohiro Otsuka, Motoya Shinozaki, Yui Muto, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Takumi Ito, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
1st Online RIEC International Workshop on Spintronics, Online, Nov. 18, 2021 (Invited).
101. “Quantum dots formed in GaN/AlGaN FETs and channel length dependence”,
Takaya Abe, Takahito Kitada, Norikazu Ito, Taketoshi Tanaka, Ken Nakahara, and Tomohiro Otsuka,
International Conference on Electronic Properties of Two-Dimensional Systems, Online, Nov. 2, 2021 (poster).
100. “Error rate analysis of charge sensing in quantum dots by Bayesian approach”,
Motoya Shinozaki, Yui Muto, Takahito Kitada, Shuya Nagayasu, Takeshi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Sen Li, Takumi Ito, Seigo Tarucha, Tomohiro Otsuka
Symposium for The Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science, Online, Oct. 27, 2021 (poster).
99. “Channel length dependence of the formation of quantum dots in GaN FETs”,
Takaya Abe, Takahito Kitada, Norikazu Ito, Taketoshi Tanaka, Ken Nakahara, Tomohiro Otsuka
Symposium for The Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science, Online, Oct. 27, 2021 (poster).
98. “Improving low temperature contact resistance of 2D semiconductors using semimetal”,
Alka Sharma, Tomohiro Otsuka, Yong P. Chen
Symposium for The Core Research Clusters for Materials Science and Spintronics, and International Joint Graduate Program in Materials Science, Online, Oct. 25, 2021 (poster).
97. “Readout noise in radio-frequency reflectometry in gallium arsenide quantum dots”,
Motoya Shinozaki, Yui Muto, Takahito Kitada, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Takumi Ito, Arne Ludwig, Andreas D. Wieck, Seigo Tarucha and Tomohiro Otsuka,
International Symposium for The Core Research Clusters for Materials Science and Spintronics, Online, Feb. 24, 2021 (poster).
96. “Charge state estimation in quantum dots by Bayesian approach”,
Yui Muto, Motoya Shinozaki, Takahito Kitada, Shuya Nagayasu, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Sen Li, Takumi Ito, Seigo Tarucha and Tomohiro Otsuka,
International Symposium for The Core Research Clusters for Materials Science and Spintronics, Online, Feb. 24, 2021 (poster).
95. “Quantum Dots in plasma CVD Graphene Nanoribbons”,
Takahito Kitada, Mizuki Seo, Takaya Abe, Motoya Shinozaki, Naohumi Sato, Takumi Aizawa, Yui Muto, Toshiro Kaneko, Toshiaki Kato and Tomohiro Otsuka,
International Symposium for The Core Research Clusters for Materials Science and Spintronics, Online, Feb. 24, 2021 (poster).
94. “Measurement and Control of Single-electron Spins by Utilizing Semiconductor Quantum Dot”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Sen Li, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
Symposium for The Core Research Clusters for Materials Science and Spintronics, Sendai, Japan, Feb. 10, 2020 (invited, oral).
93. “Quantum dots formed in GaN FETs”,
Takaya Abe, Takahito Kitada, Norikazu Ito, Taketoshi Tanaka, Ken Nakahara, and Tomohiro Otsuka,
Symposium for The Core Research Clusters for Materials Science and Spintronics, Sendai, Japan, Feb. 10, 2020 (poster).
92. “Spin and Charge Dynamics in Nanostructures Probed by Quantum Dot Sensors”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Sen Li, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
New Perspective in Spin Conversion Science, Kashiwa, Japan, Feb. 3, 2020 (poster).
91. “Spin Dynamics in Nanostructures Probed by Quantum Dot Sensors”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Sen Li, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
Materials Research Meeting 2019, Yokohama, Japan, Dec. 11, 2019 (Poster).
90. “Speed up of quantum dot sensors utilizing Bayesian estimation”,
Tomohiro Otsuka, Shuya Nagayasu, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Sen Li, Takumi Ito, Seigo Tarucha,
International Symposium on Materials Informatics, Tokyo, Japan, Feb. 10, 2019 (poster).
89. “Probing Spin Dynamics in Nanostructures Utilizing Quantum Dot Sensors”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Sen Li, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
One-Day Symposium on Spintronic Properties of Graphene and Related 2D Materials, Kashiwa, Japan, Nov. 22, 2018 (Poster).
88 “Determination of the direction of the spin-orbit field in a physically-defined p-type MOS silicon double quantum dot”,
Marian Marx, Jun Yoneda, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Sen Li, Yu Yamaoka, Takashi Nakajima, Akito Noiri, Daniel Loss, Tetsuo Kodera, and Seigo Tarucha,
Silicon Quantum Electronics Workshop 2018, Sydney, Australia, Nov. 13, 2018 (Poster).
87. “Charge and Spin Dynamics in a Quantum Dot-Lead Hybrid System”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Sen Li, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Frontiers of Quantum Transport in Nano Science, Kashiwa, Japan, Nov. 9, 2018 (Invited, oral).
86. “Angle dependent spin-orbit interaction in a physically defined silicon double quan-tum dot”,
Marian Marx, Jun Yoneda, Tomohiro Otsuka, Kenta Takeda, Yu Yamaoka, Takashi Nakajima, Sen Li, Akito Noiri, Tetsuo Kodera, and Seigo Tarucha,
International Conference on Solid State Devices and Materials, Tokyo, Japan, Sep. 13, 2018 (oral).
85. “Control fidelities in isotopically natural and enriched silicon quantum dot qubits”,
Kenta Takeda, Jun Yoneda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Giles Allison, Akito Noiri, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh, Shunri Oda, Tetsuo Kodera, and Seigo Tarucha,
International Conference on Solid State Devices and Materials, Tokyo, Japan, Sep. 13, 2018 (oral).
84. “Quantum control of spin qubits in different encodings in a triple quantum dot”,
Takashi Nakajima, Akito Noiri, Jun Yoneda, Matthieu R. Delbecq, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Shinichi Amaha, Giles Allison, Kento Kawasaki, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha,
QTech2018 workshop, Hefei, China, Aug. 23-26, 2018 (oral).
83. “Speed up of quantum dot charge sensing utilizing Bayesian estimation”,
Tomohiro Otsuka, Shuya Nagayasu, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Sen Li, Takumi Ito, Seigo Tarucha,
International Conference on the Physics of Semiconductors, Montpellier, France, Jul. 30, 2018 (oral).
82. “Coherent coupling between spin qubits of different codes”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Shinichi Amaha, Giles Allison, Kento Kawasaki, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha,
International Conference on Superlattices, Nanostructures and Nanodevices, Madrid, Spain, Jul. 23, 2018 (oral).
81. “Coherent control of a spin qubit in a frequency-locked loop”,
Takashi Nakajima, Kento Kawasaki, Akito Noiri, Jun Yoneda, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Matthieu R. Delbecq, Shinichi Amaha, Giles Allison, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha,
International Conference on Superlattices, Nanostructures and Nanodevices, Madrid, Spain, Jul. 23, 2018 (oral).
80. “Rapid single and two-qubit manipulations of electron spins in a GaAs triple quantum dot”,
Takashi Nakajima, Kento Kawasaki, Akito Noiri, Jun Yoneda, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Matthieu R. Delbecq, Giles Allison, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 16, 2018 (invited, oral).
79. “A two-qubit entangling gate between spin qubits of different kinds”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Shinichi Amaha, Giles Allison, Kento Kawasaki, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 15, 2018 (poster).
78. “A 99.9%-fidelity spin qubit in isotopically purified silicon with charge-noise-limited coherence”,
Jun Yoneda, Kenta Takeda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Giles Allison, Takumu Honda, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 15, 2018 (poster).
77. “Different charge and spin dynamics in a quantum dot-lead coupled system”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 15, 2018 (poster).
76. “Dynamics of an open quantum system based on gated GaAs quantum dots”,
Sen Li, Tomohiro Otsuka, Giles Allison, Akito Noiri, Jun Yoneda, Kenta Takeda, Takashi Nakajima, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 15, 2018 (poster).
75. “Probing Dynamics of Local Electronic States in Nanostructures Utilizing Fast Quantum Dot Probes”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Peter Stano, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Fluctuation and Structure out of Equilibrium, Sendai, Japan, Nov. 21, 2017 (poster).
74. “An isotopically-enriched silicon spin qubit with >99.9% fidelity and charge-noise-limited coherence”,
Jun Yoneda, Kenta Takeda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Giles Allison, Takumu Honda, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh, and Seigo Tarucha,
Conference and Workshop on Spin-Based Quantum Information Processing, Sydney, Australia, Nov. 9, 2017 (poster).
73. “A controlled-phase gate between spin qubits of different kinds”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Shinichi Amaha, Giles Allison, Kento Kawasaki, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha,
Conference and Workshop on Spin-Based Quantum Information Processing, Sydney, Australia, Nov. 9, 2017 (poster).
72. “Charge-noise-limited coherence and three-nines fidelity of an enriched Si/SiGe spin qubit”,
Jun Yoneda, Kenta Takeda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Giles Allison, Takumu Honda, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh, and Seigo Tarucha,
International Workshop on Silicon Quantum Electronics, Hillsboro, U.S.A., Aug. 19, 2017 (oral).
71. “Microwave induced frequency shift and its quadrature compensation for Si/SiGe spin qubits”,
Kenta Takeda, Jun Yoneda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Giles Allison, Jun Kamioka, Takumu Honda, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh, and Seigo Tarucha,
International Workshop on Silicon Quantum Electronics, Hillsboro, U.S.A., Aug. 18, 2017 (poster).
70. “Four Single-spin Rabi Oscillations in a Quadruple Quantum Dot”,
Takumi Ito*, Tomohiro Otsuka*, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Akito Noiri, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Electronic Properties of Two Dimensional Systems, State College, U.S.A., Aug. 3, 2017 (poster) (*equal contribution).
69. “Enhancing coherence of a single electron spin with adaptive control”,
Takashi Nakajima, Kento Kawasaki, Akito Noiri, Jun Yoneda, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Matthieu R. Delbecq, Giles Allison, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha,
International Conference on Electronic Properties of Two Dimensional Systems, State College, U.S.A., Aug. 3, 2017 (poster).
68. “Quantum non-demolition readout of a single spin in a quantum dot”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Tomohiro Otsuka, Kenta Takeda, Matthieu R. Delbecq, Kento Kawasaki, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Electronic Properties of Two Dimensional Systems, State College, U.S.A., Aug. 3, 2017 (poster).
67. “Difference in Charge and Spin Dynamics in a Quantum Dot-Lead Hybrid System”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Electronic Properties of Two Dimensional Systems, State College, U.S.A., Aug. 1, 2017 (oral).
66. “Controlling entanglement between different kinds of quantum dot spin qubits”,
Takashi Nakajima, Akito Noiri, Jun Yoneda, Tomohiro Otsuka, Kenta Takeda, Matthieu R. Delbecq, Kento Kawasaki, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
EPR steering, temporal steering, and correlations in quantum theory, Wako, Japan, Feb. 15, 2017 (invited, oral).
65. “Charge and spin dynamics in a quantum dot‐lead coupled system”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Peter Stano, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster).
64. “Lowering electron temperature for measurement of spin relaxation in quantum dots”,
Giles Allison, Jun Yoneda, Kenta Takeda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinich Amaha, Akito Noiri, Takumi Ito, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster).
63. “High-fidelity spin control in an enriched Si/SiGe quantum dot with a micromagnet”,
Jun Yoneda, Kenta Takeda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Giles Allison, Takumu Honda, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster) (best poster award).
62. “Centre resonance frequency shift of a strongly driven spin qubit”,
Kenta Takeda, Jun Kamioka, Jun Yoneda, Tomohiro Otsuka, Matthieu R. Delbecq, Giles Allison, Takashi Nakajima, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster).
61. “High-Fidelity Readout of Two-Spin Correlations Using a Metastable Charge State in Triple Quantum Dots”,
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka, Peter Stano, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kento Kawasaki, Kenta Takeda, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster).
60. “Measuring the time dependence of a Rabi oscillation of an electron spin in a semiconductor quantum dot”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Tomohiro Otsuka, Kenta Takeda, Matthieu R. Delbecq, Giles Allison, Kento Kawasaki, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster).
59. “Hybrid cQED architecture as a model system for non-equilibrium physics in condensed matter”,
Marian Marx, Giles Allison, Matthieu R. Delbecq, Takashi Nakajima, Jun Yoneda, Kenta Takeda, Tomohiro Otsuka, Shinichi Amaha, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster).
58. “Measurement of charge states in multiple quantum dots utilizing multiplexed fast charge sensors”,
Takumi Ito*, Tomohiro Otsuka*, Shinichi Amaha, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Akito Noiri, Takashi Nakajima, and Seigo Tarucha,
International workshop on nano-spin conversion science & quantum spin dynamics, Tokyo, Japan, Oct. 14, 2016 (poster) (*equal contribution).
57. “Three single spin qubits in a triple quantum dot”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Tomohiro Otsuka, Kenta Takeda, Giles Allison, Shinichi Amaha, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Physics and Applications of Spin-Related Phenomena in Solids, Kobe, Japan, Aug. 10, 2016 (poster).
56. “Detection and control of charge states of a quintuple quantum dot in a scalable multiple quantum dot architecture”,
Takumi Ito*, Tomohiro Otsuka*, Shinichi Amaha, Matthieu R. Delbecq, Takashi Nakajima, Jun Yoneda, Kenta Takeda, Giles Allison, Akito Noiri, Kento Kawasaki, and Seigo Tarucha,
International Conference on The Physics of Semiconductors, Beijing, China, Aug. 5, 2016 (oral) (*equal contribution).
55. “Tunneling induced spin relaxation in a quantum dot-lead coupled system”
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Akito Noiri, Takumi Ito, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on The Physics of Semiconductors, Beijing, China, Aug. 4, 2016 (poster).
54. “Quantum dephasing of spin qubits due to nonergodic noise”
Matthieu R. Delbecq, Takashi Nakajima, Peter Stano, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on The Physics of Semiconductors, Beijing, China, Aug. 2, 2016 (poster).
53. “AC Stark effect and optimal control of a strongly driven Si/SiGe quantum dot spin qubit”
Kenta Takeda, Jun Kamioka, Jun Yoneda, Tomohiro Otsuka, Matthieu R. Delbecq, Giles Allison, Takashi Nakajima, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
Silicon Quantum Electronics Workshop, Delft, Netherlands, Jun. 14, 2016 (oral).
52. “Measurement of charge states in Si/SiGe multiple quantum dots”
Tomohiro Otsuka, Kenta Takeda, Jun Yoneda, Takumu Honda, Matthieu R. Delbecq, Giles Allison, Marian Marx, Takashi Nakajima, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh and Seigo Tarucha,
Silicon Quantum Electronics Workshop, Delft, Netherlands, Jun. 13, 2016 (poster).
51. “Multiplexed reflectometry measurement of a gate-defined Si-MOS quantum dot”
Jun Yoneda, Takumu Honda, Kenta Takeda, Marian Marx, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinich Amaha, Giles Allison, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
Silicon Quantum Electronics Workshop, Delft, Netherlands, Jun. 13, 2016 (poster).
50. “Coherent electron-spin-resonance control of three individual spins in a triple quantum dot”
Akito Noiri, Jun Yoneda, Takashi Nakajima, Tomohiro Otsuka, Matthieu R. Delbecq, Kenta Takeda, Shinichi Amaha, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 14, 2016 (poster).
49. “A fast addressable spin qubit in a silicon quantum dot”
Kenta Takeda, Jun Kamioka, Tomohiro Otsuka, Jun Yoneda, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Giles Allison, Akito Noiri, Retsu Sugawara, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 13, 2016 (poster).
48. “Electron spin resonance in a quadruple quantum dot”
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Akito Noiri, Retsu Sugawara, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 13, 2016(poster).
47. “Controlling entanglement of spin qubits in a triple quantum dot”
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kenta Takeda, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 13, 2016 (poster).
46. “Bayesian estimation of nuclear-spin bath for adaptive feedback with a single-electron spin qubit”
Kento Kawasaki, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Shinichi Amaha, Tomohiro Otsuka, Kenta Takeda, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 13, 2016 (poster).
45. “Hybrid cQED architecture as a model system for non-equilibrium physics in condensed matter”
Giles Allison, Matthieu R. Delbecq, Niel Lambert, Takashi Nakajima, Jun Yoneda, Kenta Takeda, Marian Marx, Tomohiro Otsuka, Shinichi Amaha, Franco Nori, and Seigo Tarucha,
International Symposium on Dynamics in Artificial Quantum Systems, Tokyo, Japan, Jan. 13, 2016 (poster).
44. “Exploiting the slow dynamics of nuclear spins to enhance the coherence time of spin qubits in GaAs”,
Matthieu R. Delbecq, Takashi Nakajima, Peter Stano, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Symposium on Nanoscale Transport and Technology, Atsugi, Japan, Nov. 20, 2015 (oral).
43. “Generation of locally and non-locally entangled electron spin pairs in a triple quantum dot”,
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kenta Takeda, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Workshop: Quantum Nanostructures and Electron-Nuclear Spin Interactions, Sendai, Japan, Oct. 20, 2015 (invited, oral).
42. “A strongly driven single-spin qubit in a Si/SiGe double quantum dot with a micro-magnet”,
Kenta Takeda, Jun Kamioka, Toshiaki Obata, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Akito Noiri, Retsu Sugawara, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
SpinTech VIII, Basel, Switzerland, August 12, 2015 (poster).
41. “Probing spin states in a triple quantum dot by Fourier transform spectroscopy”,
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kenta Takeda, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
SpinTech VIII, Basel, Switzerland, August 12, 2015 (poster).
40. “Implementation of three spin qubits in a lateral triple quantum dot”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Tomohiro Otsuka, Shinichi Amaha, Kenta Takeda, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
SpinTech VIII, Basel, Switzerland, August 11, 2015 (poster).
39. “A fast addressable single-spin qubit in a Si/SiGe double quantum dot with a micro-magnet”,
Kenta Takeda, Jun Kamioka, Toshiaki Obata, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Giles Allison, Akito Noiri, Retsu Sugawara, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
Silicon Quantum Electronics Workshop 2015, Takamatsu, Japan, August 4, 2015 (oral).
38. “Fabrication and characterization of gate-defined small Si-MOS quantum dot devices”,
Jun Yoneda, Takumu Honda, Kenta Takeda, Marian Marx, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Giles Allison, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
Silicon Quantum Electronics Workshop 2015, Takamatsu, Japan, August 3, 2015 (poster).
37. “Improved design and fabrication for Si/SiGe quantum dots with increased valley-splitting”,
Marian Marx, Kenta Takeda, Jun Yoneda, Giles Allison, Takumu Honda, Matthieu R. Delbecq, Tomohiro Otsuka, Takashi Nakajima, Shinichi Amaha, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
Silicon Quantum Electronics Workshop 2015, Takamatsu, Japan, August 3, 2015 (poster).
36. “Electrically Pulsed Fourier Transform Spectroscopy of Coupled Electron Spins in Triple Quantum Dot”,
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kenta Takeda, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Electronic Properties of Two-Dimensional Systems, Sendai, Japan, July 28, 2015 (poster).
35. “Realization of a Fast Single-lead Quantum Dot Probe and Evaluation of the Properties by Probing Quantum Dot States”,
Tomohiro Otsuka, Shinichi Amaha, Takashi Nakajima, Matthieu R. Delbecq, Jun Yoneda, Kenta Takeda, Retsu Sugawara, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Electronic Properties of Two-Dimensional Systems, Sendai, Japan, July 28, 2015 (poster).
34. “Enhanced coherence time of spin qubits in GaAs and dynamics of the nuclear spin bath”,
Matthieu R. Delbecq, Takashi Nakajima, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Electronic Properties of Two-Dimensional Systems, Sendai, Japan, July 28, 2015 (oral).
33. “Single-electron Spin Resonance in a Quadruple Quantum Dot”,
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Akito Noiri, Retsu Sugawara, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Electronic Properties of Two-Dimensional Systems, Sendai, Japan, July 27, 2015 (poster).
32. “A tunnel-coupled triangular triple quantum dot”,
Akito Noiri, Kento Kawasaki, Shinichi Amaha, Tomohiro Otsuka, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Kenta Takeda, and Seigo Tarucha,
International Conference on Electronic Properties of Two-Dimensional Systems, Sendai, Japan, July 27, 2015 (poster).
31. “Boosting single electron spin flips in quantum dots”,
Takumi Ito, Jun Yoneda, Kenta Takeda, Akito Noiri, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, and Seigo Tarucha,
International Conference on Modulated Semiconductor Structures, Sendai, Japan, July 27, 2015 (poster).
30. “Implementation of three spin qubits in a lateral triple quantum dot”,
Akito Noiri, Takashi Nakajima, Jun Yoneda, Matthieu Delbecq, Tomohiro Otsuka, Shinichi Amaha, Arne Ludwig, Andreas D. Wieck and Seigo Tarucha,
International Workshop on Topological Electronics, Okinawa, Japan, March 9, 2015 (poster).
29. “Single-electron spin resonance in a Si/SiGe double quantum dot with a micromagnet”,
Kenta Takeda, Jun Kamioka, Toshiaki Obata, Tomohiro Otsuka, Takashi Nakajima, Matthieu Delbecq, Shinichi Amaha, Jun Yoneda, Akito Noiri, Retsu Sugawara, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha,
American Physical Society March Meeting, San Antonio, U. S. A., March 5, 2015 (oral).
28. “Addressable single-spin control in multiple quantum dots coupled in series”,
Takashi Nakajima, Matthieu R. Delbeq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Andreas D. Wieck, and Seigo Tarucha,
American Physical Society March Meeting, San Antonio, U. S. A., March 4, 2015 (invited, oral).
27. “Increase by several orders of magnitude of the spin coherence time in GaAs by fast measurements”,
Matthieu R. Delbecq, Takashi Nakajima, Tomohiro Otsuka, Shinich Amaha, Jun Yoneda, Akito Noiri, Arne Ludwig, Andreas D. Wieck and Seigo Tarucha,
International Symposium on Quantum System and Nuclear Spin Related Phenomena, Zao, Japan, February 19, 2015 (oral).
26. “Vanishing Influence from Nuclear Spins on Strongly Driven Single Electron Spins in Quantum Dots”,
Jun Yoneda*, Tomohiro Otsuka*, Takashi Nakajima, Tatsuki Takakura, Toshiaki Obata, Michel Pioro-Ladrière, Hong Lu, Christopher Palmstrøm, Arthur C. Gossard, and Seigo Tarucha,
International Symposium on Quantum System and Nuclear Spin Related Phenomena, Zao, Japan, February 19, 2015 (oral)(*equal contribution).
25. “Addressable Control of Three Spin Qubits in Semiconductor Triple Quantum Dot”,
Matthieu R. Delbeq, Takashi Nakajima, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Andreas D. Wieck, and Seigo Tarucha,
Workshop on Innovative Nanoscale Devices and Systems, Hawaii, U. S. A., December 1, 2014 (oral).
24. “Full control of quadruple quantum dot circuit charge states in the single electron regime”,
Matthieu R. Delbecq, Takashi Nakajima, Tomohiro Otsuka, Shinichi Amaha, John D. Watson, Michael J. Manfra, and Seigo Tarucha,
International Conference on The Physics of Semiconductors, Austin, U.S.A., August 13, 2014 (oral).
23. “Addressable control of single spin qubits in lateral triple quantum dot”,
Takashi Nakajima, Matthieu R. Delbeq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Andreas D. Wieck, and Seigo Tarucha,
International Conference on Low Temperature Physics, Buenos Aires, Argentina, August 8, 2014 (poster).
22. “Scaling-up Spin Qubits in Semiconductor Quantum Dots”,
Takashi Nakajima, Tomohiro Otsuka, Matthieu R. Delbeq, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kenta Takeda, Jun Kamioka, Retsu Sugawara, John Watson, Michael J. Manfra, Andreas D. Wieck, and Seigo Tarucha,
FIRST International Symposium on Topological Quantum Technology, Tokyo, Japan, January 29, 2014 (poster).
21. “Fast Single Spin Operation in Semiconductor Quantum Dots”,
Tomohiro Otsuka*, Jun Yoneda*, Takashi Nakajima, Tatsuki Takakura, Katsuharu Yoshida, Toshiaki Obata, and Seigo Tarucha,
FIRST International Symposium on Topological Quantum Technology, Tokyo, Japan, January 29, 2014 (poster) (*equal contribution).
20. “Direct phase control of a single spin qubit”,
Jun Yoneda*, Tomohiro Otsuka*, Takashi Nakajima, Tatsuki Takakura, Toshiaki Obata, Hong Lu, Christopher Palmstrøm, Arthur C. Gossard, and Seigo Tarucha,
International School and Conference on Spintronics and Quantum Information Technology, Chicago, U. S. A., July 31, 2013 (poster) (*equal contribution).
19. “Coherent dynamics of a strongly driven single electron spin”,
Jun Yoneda*, Tomohiro Otsuka*, Takashi Nakajima, Tatsuki Takakura, Toshiaki Obata, Hong Lu, Christopher Palmstrøm, Arthur C. Gossard, and Seigo Tarucha,
International Conference on Electronic Properties of Two-dimentional Systems, Wroclaw, Poland, July 4, 2013 (oral) (*equal contribution).
18. “Probing energy relaxation in quantum Hall edge states utilizing quantum point contacts”,
Tomohiro Otsuka*, Yuuki Sugihara*, Jun Yoneda, Takashi Nakajima and Seigo Tarucha,
International Conference on Electronic Properties of Two-dimentional Systems, Wroclaw, Poland, July 2, 2013 (poster) (*equal contribution).
17. “Single to Quadruple Quantum Dots with Tunable Interdot Tunnel Couplings”,
Tatsuki Takakura, Akito Noiri, Toshiaki Obata, Tomohiro Otsuka, Jun Yoneda, Katsuharu Yoshida, and Seigo Tarucha,
International Conference on the Physics of Semiconductors, Zurich, Switzerland, August 2, 2012 (poster).
16. “Fast Electrical Control of Single Spins in Semiconductor Quantum Dots”,
Jun Yoneda*, Tomohiro Otsuka*, Tatsuki Takakura, Katsuharu Yoshida, Toshiaki Obata, Seigo Tarucha, Hong Lu, Christopher Palmstrøm, and Arthur C. Gossard,
International Conference on the Physics of Semiconductors, Zurich, Switzerland, August 2, 2012 (oral) (*equal contribution).
15. “Detection of spin polarization with two-electron states in a single-lead quantum dot”,
Tomohiro Otsuka, Yuuki Sugihara, Jun Yoneda, Shingo Katsumoto, and Seigo Tarucha,
International Conference on the Physics of Semiconductors, Zurich, Switzerland, July 30, 2012 (oral).
14. “Speed-up of spin manipulations in semiconductor quantum dots”,
Tomohiro Otsuka*, Jun Yoneda*, Tatsuki Takakura, Katsuharu Yoshida, Toshiaki Obata, Seigo Tarucha, Hong Lu, Christopher Palmstrøm, and Arthur C. Gossard,
International Conference on Quantum Dots, Santa fe, U. S. A., May 18, 2012 (oral) (*equal contribution).
13. “Speeding up single electron spin rotations in semiconductor quantum dots”,
Jun Yoneda*, Tomohiro Otsuka*, Tatsuki Takakura, Katsuharu Yoshida, Toshiaki Obata, Seigo Tarucha, Hong Lu, Christopher Palmstrøm, and Arthur C. Gossard,
International Workshop on Solid-State Quantum Computing, Hong Kong, China, December 12, 2011(poster) (*equal contribution).
12. “Speed-up of Single Electron Spin Manipulation in Semiconductor Quantum Dots”,
Jun Yoneda*, Tomohiro Otsuka*, Tatsuki Takakura, Katsuharu Yoshida, Toshiaki Obata, and Seigo Tarucha,
International Workshop on Quantum Nanostructures and Nanoelectronics, Tokyo, Japan, October 2011 (poster) (*equal contribution).
11. “Energy level spectroscopy of a quantum dot with a side‐coupled satellite dot”,
Sunwoo Kim, Yuki Kuwabara, Tomohiro Otsuka, Yasuhiro Iye, and Singo Katsumoto,
International Conference on the Physics of Semiconductors, Seoul, Korea, July 2010 (poster).
10. “Probing Local Electronic States in the Quantum Hall Regime with a Side Coupled Quantum Dot”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
International Symposium on Quantum Nanostructures and Spin-related Phenomena, Tokyo, Japan, March 2010 (oral).
9. “Probing local electronic states in the quantum Hall regime”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
International Symposium on Quantum Nanophotonics and Nanoelectronics, Tokyo, Japan, November 2009 (oral).
8. “Probing edge states in the quantum Hall regime with a side coupled quantum dot”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
International Symposium on Compound Semiconductors, Santa Barbara, U. S. A., August 2009 (oral).
7. “Detection of spin polarization in a quantum wire”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
International Conference on Electronic Properties of Two-dimentional Systems, Kobe, Japan, July 21, 2009 (poster).
6. “Detection of spin polarization with a side coupled quantum dot”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
International Symposium on Nanoscale Transport and Technology, Atsugi, Japan, January 22, 2009(oral).
5. “Excited state spectroscopy in side-coupled quantum dots”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
The IEEE Nanotechnology Materials and Devices Conference, Kyoto, Japan, October 21, 2008 (oral).
4. “Control of shell filling with Coulomb interaction in quantum dots side-coupled to quantum wires”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
International Symposium on Compound Semiconductors, Kyoto, Japan, October 15, 2007 (oral).
3. “Potential dependent intra-dot Coulomb interaction in quantum dots side-coupled to quantum wires”,
Tomohiro Otsuka, Eisuke Abe, Yasuhiro Iye, and Shingo Katsumoto,
International Conference on Electronic Properties of Two-dimentional Systems, Genova, Italy, July 2007(poster).
2. “Electronic states in quantum dots side-coupled to quantum wires”,
Tomohiro Otsuka, Eisuke Abe, Shingo Katsumoto, and Yasuhiro Iye,
Frontiers in Nanoscale Science and Technology Workshop, Tokyo, Japan, March 2007 (poster).
1. “Phase Information from Two-Terminal Conductance of Quantum Dot Systems”,
Tomohiro Otsuka, Hisashi Aikawa, Mikio Eto, Gyong L Khym, Kicheon Kang, Yasuhiro Iye, and Shingo Katsumoto,
International Conference on the Physics of Semiconductors, Vienna, Austria, July 28, 2006 (oral).