Faculty
Jaw-Shen Tsai
Chair professor
Biography
Experience
Interest
Publications
Awards
1975
物理學學士、加州大學伯克利分校
1983
物理學博士、紐約州立大學石溪分校
1983 Research Scientist, Microelectronics Research Laboratories, NEC
2001 Fellow, Nano Electronics Research Laboratories, NEC
2001 Team Leader, Macroscopic Quantum Coherence Team, RIKEN
2012 Group Director, Single Quantum Dynamics Research Group, RIKEN
2013 Team Leader, Macroscopic Quantum Coherence Research Team ,QuantumInformation Electronics Division, RIKEN Center for Emergent Matter Science
2014 Team Leader, Superconducting Quantum Simulation Research Team,Quantum Information Electronics Division, RIKEN Center for Emergent Matter Science ( - present)
2015 Professor, Tokyo University of Science ( - present)
  1. Condensed matter physics
  2. Quantum coherence
  3. Superconducting Quantum Simulation

2024
Observation and manipulation of quantum interference in a superconducting Kerr parametric oscillator. Daisuke Iyama, Takahiko Kamiya, Shiori Fujii, Hiroto Mukai, Yu Zhou, Toshiaki Nagase, Akiyoshi Tomonaga, Rui Wang, Jiao-Jiao Xue, Shohei Watabe, Sangil Kwon, Jaw-Shen Tsai. Nat Commun 15, 86 (2024)

2023
1. Active initialization experiment of a superconducting qubit using a quantum circuit refrigerator. Yoshioka, T., Mukai, H., Tomonaga, A., Takada, S., Okazaki, Y., Kaneko, N. H., Nakamura, S. & Tsai, J. S. Physical Review Applied. 20, 4, 044077 (2023)
2. Compact Superconducting Microwave Resonators Based on Al-AlOx-Al Capacitors. Zotova, J., Wang, R., Semenov, A., Zhou, Y., Khrapach, I., Tomonaga, A., Astafiev, O. & Tsai, J. S. Physical Review Applied. 19, 4, 044067 (2023).
3. Elucidation of Spin-Correlations, Fermi Surface and Pseudogap in a Copper Oxide Superconductor. Kamimura, H., Araidai, M., Ishida, K., Matsuno, S., Sakata, H., Sasaoka, K., Shiraishi, K., Sugino, O., Tsai, J. S. & Yamada, K. Condensed Matter. 8, 2, 33 (2023).
4. Fast generation of Schrödinger cat states using a Kerr-tunable superconducting resonator. He, X. L., Lu, Y., Bao, D. Q., Xue, H., Jiang, W. B., Wang, Z., Roudsari, A. F., Delsing, P., Tsai, J. S. & Lin, Z. R. Nature communications. 14, 1, 6358 (2023).
5. Mitigation of noise in Josephson parametric oscillator by injection locking. Lakshmi Bhai, G., Mukai, H. & Tsai, J. S. Applied Physics Letters. 122, 5, 054002 (2023).
6. Noise Properties of a Josephson Parametric Oscillator. Lakshmi Bhai, G., Mukai, H., Yamamoto, T. & Tsai, J. S. Physical Review Applied. 19, 1, 014065 (2023).
7. Observation of Kondo condensation in a degenerately doped silicon metal. Im, H., Lee,D. U., Jo, Y., Kim, J., Chong, Y., Song, W., Kim, H., Kim, E. K., Yuk, T., Sin, S. J.,Moon, S., Prance, J. R., Pashkin, Y. A. & Tsai, J. S. Nature Physics. 19, 5, p. 676-681 (2023).

2022
1. Autonomous quantum error correction in a four-photon Kerr parametric oscillator. Kwon, S., Watabe, S. & Tsai, J. S. npj Quantum Information. 8, 1, 40 (2022).
2. Deterministic one-way logic gates on a cloud quantum computer. Yang, Z. P., Ku, H. Y., Baishya, A., Zhang, Y. R., Kockum, A. F., Chen, Y. N., Li, F. L., Tsai, J. S. & Nori, F. Physical Review A. 105, 4, 042610 (2022).
3. Vacuum-gap-based lumped element Josephson parametric amplifier. Wu, S., Zhang, D., Wang, R., Liu, Y., Wang, S. P., Liu, Q., Tsai, J. S. & Li, T. Chinese Physics B. 31, 1, 010306 (2022).

2021
1. Fast unconditional initialization for superconducting qubit and resonator using quantum- circuit refrigerator. Yoshioka, T. & Tsai, J. S. Applied Physics Letters. 119, 12, 124003 (2021).
2. Gate-based superconducting quantum computing. Kwon, S., Tomonaga, A., Lakshmi Bhai, G., Devitt, S. J. & Tsai, J. S. Journal of Applied Physics. 129, 4, 041102 (2021).
3. Magnetic-Free Traveling-Wave Nonreciprocal Superconducting Microwave Components. Zhang, D. & Tsai, J. S. Physical Review Applied. 15, 6, 064013 (2021).
4. Quasiparticle tunneling and 1/f charge noise in ultrastrongly coupled superconducting qubit and resonator. Tomonaga, A., Mukai, H., Yoshihara, F. & Tsai, J. S. Physical Review B. 104, 22, 224509 (2021).
5. Ultrastrong Tunable Coupler between Superconducting LC Resonators. Miyanaga, T., Tomonaga, A., Ito, H., Mukai, H. & Tsai, J. S. Physical Review Applied. 16, 6, 064041 (2021).

2020
1. First-principles calculation of copper oxide superconductors that supports the kamimura-suwa model. Kamimura, H., Araidai, M., Ishida, K., Matsuno, S., Sakata, H., Shiraishi, K., Sugino, O. & Tsai, J. S. Condensed Matter. 5, 4, p. 1-12 12 p., 69 (2020).
2. Photon-Dressed Bloch-Siegert Shift in an Ultrastrongly Coupled Circuit Quantum Electrodynamical System. Wang, S. P., Zhang, G. Q., Wang, Y., Chen, Z., Li, T., Tsai, J. S., Zhu, S. Y. & You, J. Q. Physical Review Applied. 13, 5, 054063 (2020).
3. Pseudo-2D superconducting quantum computing circuit for the surface code: Proposal and preliminary tests. Mukai, H., Sakata, K., Devitt, S. J., Wang, R., Zhou, Y., Nakajima,Y. & Tsai, J. S. New Journal of Physics. 22, 4, 043013 (2020).
4. Tunable Microwave Single-Photon Source Based on Transmon Qubit with High Efficiency. Zhou, Y., Peng, Z., Horiuchi, Y., Astafiev, O. V. & Tsai, J. S. Physical Review Applied. 13, 3, 034007 (2020).

2019
1. Efficient Tunable Microwave Single-photon Source Based on Transmon Qubit. Zhou, Y., Peng, Z., Horiuchi, Y., Astafiev, O. V. & Tsai, J. S. ISEC 2019 – International Superconductive Electronics Conference. Institute of Electrical and Electronics Engineers Inc., 8990896. (ISEC 2019 – International Superconductive Electronics Conference).
2. Microwave single-photon detection based on dressed-state engineering. Inomata, K., Lin, Z. R., Koshino, K., Oliver, W. D., Tsai, J. S., Yamamoto, T. & Nakamura, Y. 2019 IEEE MTT-S International Wireless Symposium, IWS 2019 – Proceedings. Institute of Electrical and Electronics Engineers Inc., 8804080. (2019 IEEE MTT-S International Wireless Symposium, IWS 2019 – Proceedings).
3. Superconducting quantum annealing architecture with LC resonators. Mukai, H., Tomonaga, A. & Tsai, J. S. Journal of the Physical Society of Japan. 88, 6, 061011 (2019).
4. Time-Domain Grating with a Periodically Driven Qutrit. Han, Y., Luo, X. Q., Li, T. F., Zhang, W., Wang, S. P., Tsai, J. S., Nori, F. & You, J. Q. Physical Review Applied. 11, 1, 014053 (2019).

2018
1. Hybrid rf SQUID qubit based on high kinetic inductance. Peltonen, J. T., Coumou, P. C.J. J., Peng, Z. H., Klapwijk, T. M., Tsai, J. S. & Astafiev, O. V. Scientific Reports. 8, 1, 10033 (2018).
2. Vacuum-induced Autler-Townes splitting in a superconducting artificial atom. Peng, Z. H., Ding, J. H., Zhou, Y., Ying, L. L., Wang, Z., Zhou, L., Kuang, L. M., Liu, Y. X., Astafiev, O. V. & Tsai, J. S. Physical Review A. 97, 6, 063809 (2018).

2017
1. Interplay of the Inverse Proximity Effect and Magnetic Field in Out-of-Equilibrium Single-Electron Devices. Nakamura, S., Pashkin, Y. A., Taupin, M., Maisi, V. F., Khaymovich, I. M., Mel’Nikov, A. S., Peltonen, J. T., Pekola, J. P., Okazaki, Y., Kashiwaya, S., Kawabata, S., Vasenko, A. S., Tsai, J. S. & Kaneko, N. H. Physical Review Applied. 7, 5, 054021 (2017).
2. Jahn-Teller-Effect induced superconductivity in copper oxides: theoretical developments. Kamimura, H., Sugino, O., Tsai, J. S. & Ushio, H. Springer Series in Materials Science. 255, p. 129-150 (2017).
3. Single-photon-driven high-order sideband transitions in an ultrastrongly coupled circuit- quantum-electrodynamics system. Chen, Z., Wang, Y., Li, T., Tian, L., Qiu, Y., Inomata, K., Yoshihara, F., Han, S., Nori, F., Tsai, J. S. & You, J. Q. Physical Review A. 96, 1, 012325 (2017).

2016
1. Achievements and outlook of research on quantum information systems using superconducting quantum circuits. Tsai, J. S., 2016, Lecture Notes in Physics. Springer Verlag, p. 477-494 18 p. (Lecture Notes in Physics; vol. 911).
2. Coherent dynamics and decoherence in a superconducting weak link. Peltonen, J. T., Peng, Z. H., Korneeva, Y. P., Voronov, B. M., Korneev, A. A., Semenov, A. V., Gol’Tsman, G. N., Tsai, J. S. & Astafiev, O. V. Physical Review B. 94, 18, 180508 (2016).
3. Method for identifying electromagnetically induced transparency in a tunable circuit quantum electrodynamics system. Liu, Q. C., Li, T. F., Luo, X. Q., Zhao, H., Xiong, W., Zhang, Y. S., Chen, Z., Liu, J. S., Chen, W., Nori, F., Tsai, J. S. & You, J. Q. Physical Review A. 93, 5, 053838 (2016).
4. Single microwave-photon detector using an artificial Λ-type three-level system. Inomata, K., Lin, Z., Koshino, K., Oliver, W. D., Tsai, J. S., Yamamoto, T. & Nakamura,Y. Nature Communications. 7, 12303 (2016).
5. Tuneable on-demand single-photon source in the microwave range. Peng, Z. H., De Graaf, S. E., Tsai, J. S. & Astafiev, O. V. Nature Communications. 7, 12588 (2016).

2015
1. Circuit-QED-based scalable architectures for quantum information processing with superconducting qubits. Billangeon, P. M., Tsai, J. S. & Nakamura, Y. Physical Review B 91, 9, 094517 (2015).
2. Correlated Emission Lasing in Harmonic Oscillators Coupled via a Single Three-Level Artificial Atom. Peng, Z. H., Liu, Y. X., Peltonen, J. T., Yamamoto, T., Tsai, J. S. & Astafiev, O. Physical Review Letters. 115, 22, 223603 (2015).
3. Scalable architecture for quantum information processing with superconducting flux qubits based on purely longitudinal interactions. Billangeon, P. M., Tsai, J. S. & Nakamura, Y. Physical Review B 92, 2, 020509 (2015).
4. Single-Electron Pumping by Parallel SINIS Turnstiles for Quantum Current Standard. Nakamura, S., Pashkin, Y. A., Tsai, J. S. & Kaneko, N. H. IEEE Transactions on Instrumentation and Measurement. 64, 6, p. 1696-1701, 7100900 (2015).
5. Study of a new electromigration failure mechanism by novel test structure. Chen, L. D., Lin, B. L., Hsieh, M. H., Chang, C. W., Tsai, J. S., Peng, J. C., Chiu, C. C. & Lee, Y. H. 2015 IEEE International Reliability Physics Symposium, IRPS 2015. Institute of Electrical and Electronics Engineers Inc., p. 2D51-2D55 7112684. (IEEE International Reliability Physics Symposium Proceedings; vol. 2015-May).

2014
1. Controllable microwave three-wave mixing via a single three-level superconducting quantum circuit. Liu, Y. X., Sun, H. C., Peng, Z. H., Miranowicz, A., Tsai, J. S. & Nori,F. Scientific Reports. 4, 7289 (2014).
2. Flux qubit noise spectroscopy using Rabi oscillations under strong driving conditions. Yoshihara, F., Nakamura, Y., Yan, F., Gustavsson, S., Bylander, J., Oliver, W. D. & Tsai, J. S. Physical Review B 89, 2, 020503 (2014).
3. Josephson parametric phase-locked oscillator and its application to dispersive readout of superconducting qubits. Lin, Z. R., Inomata, K., Koshino, K., Oliver, W. D., Nakamura, Y., Tsai, J. S. & Yamamoto, T. Nature Communications. 5, 4480 (2014).
4. Microwave down-conversion with an impedance-matched λ system in driven circuit QED. Inomata, K., Koshino, K., Lin, Z. R., Oliver, W. D., Tsai, J. S., Nakamura, Y. & Yamamoto, T. Physical Review Letters. 113, 6, 063604 (2014).
5. SINIS turnstile for quantum current standards. Nakamura, S., Pashkin, Y. A., Tsai, J. S. & Kaneko, N. H. CPEM 2014 – 29th Conference on Precision Electromagnetic Measurements, Digest. Institute of Electrical and Electronics Engineers Inc., p. 660-661 2 p. 6898558. (CPEM Digest (Conference on Precision Electromagnetic Measurements)).
6. Superconducting flux qubit capacitively coupled to an LC resonator. Yamamoto, T., Inomata, K., Koshino, K., Billangeon, P. M., Nakamura, Y. & Tsai, J. S. New Journal of Physics. 16, 015017 (2014).
7. Temperature dependence of single-electron pumping using a SINIS turnstile. Nakamura, S., Pashkin, Y. A., Tsai, J. S. & Kaneko, N. H. Physica C: Superconductivity and its applications. 504, p. 93-96 (2014).

2013
1. Coherent flux tunneling through NbN nanowires. Peltonen, J. T., Astafiev, O. V., Korneeva, Y. P., Voronov, B. M., Korneev, A. A., Charaev, I. M., Semenov, A. V., Golt’Sman, G. N., Ioffe, L. B., Klapwijk, T. M. & Tsai, J. S. Physical Review B 88, 22,220506 (2013).
2. Single-shot readout of a superconducting flux qubit with a flux-driven Josephson parametric amplifier. Lin, Z. R., Inomata, K., Oliver, W. D., Koshino, K., Nakamura, Y., Tsai, J. S. & Yamamoto, T. Applied Physics Letters. 103, 13, 132602 (2013).
3. Spectral analysis and identification of noises in quantum systems. Wu, R. B., Li, T. F., Kofman, A. G., Zhang, J., Liu, Y. X., Pashkin, Y. A., Tsai, J. S. & Nori, F. Physical Review A 87, 2, 022324 (2013).

2000 Fellow, American Physical Society
2004 Nishina Memorial Prize
2007 Honorary Professor, National Chiao Tung University
2008 Simon Memorial Prize (with Yasunobu Nakamura)
2010 Fellow, Japan Society of Applied Physics
2013 Quantum Innovator Award
2014 The 11th Leo Esaki Prize (with Yasunobu Nakamura)
2018 Medal with Purple Ribbon
2021 Asahi Prize (with Yasunobu Nakamura)
2023 Japan Academy Prize
2023 Hattori Hoko Prize
2023 2023 C & C Prize