研究成果（論文・学会発表）
2023年度
・Feng Li, Duong Pham, Yuto Takeshita, Masayuki Higashi, Taro Yamashita, Masamitsu Tanaka, and Akira Fujimaki,
“Energy efficient half-flux-quantum circuit aiming at milli-kelvin stage operation”,
Superconductor Science and Technology, 36(10), 105006 (2023).
・R. Kashima, I. Nagaoka, T. Nakano, M. Tanaka, T. Yamashita, A. Fujimaki,
“Lowering Latency in a High-Speed Gate-Level-Pipelined Single Flux Quantum Datapath Using an Interleaved Register File”,
IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-6, Aug. 2023, Art no. 1303306.
・Shigeyuki Miyajima, Taro Yamashita, Masamitsu Tanaka, Naoki Takeuchi, Kunihiro Inomata, Hirotaka Terai,“Fabrication Process for Monolithic Integration of a Nitride Superconductor-Based Superconducting Qubit with a Single Flux Quantum Control Circuit”,
IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-4, Aug. 2023, Art no. 1100204.
・Masayuki Higashi, Yuto Takeshita, Kento Kato, Hinata Fujisawa, Feng Li, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki,
“Analysis of the Effect of 0-π SQUIDs for Enhancing Mutual Coupling”,
IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, Aug. 2023, Art no. 1600805.
・Ikki Nagaoka, Ryota Kashima, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Taro Yamashita, Koji Inoue, Akira Fujimaki,
“50-GFLOPS Floating-Point Adder and Multiplier Using Gate-Level-Pipelined Single-Flux-Quantum Logic With Frequency-Increased Clock Distribution”,
IEEE Transactions on Applied Superconductivity, vol. 33, no. 4, pp. 1-11, June 2023, Art no. 1302711.
・Ikki Nagaoka, Ryota Kashima, Koki Ishida, Masamitsu Tanaka, Taro Yamashita, Takatsugu Ono, Koji Inoue, Akira Fujimaki,
“A High-Throughput Multiply-Accumulate Unit With Long Feedback Loop Using Low-Voltage Rapid Single-Flux Quantum Circuits”,
IEEE Transactions on Applied Superconductivity, vol. 33, no. 3, pp. 1-8, April 2023, Art no. 1301808.
2022年度
・Yuto Takeshita, Feng Li, Masayuki Higashi, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki,
“Direct observations of π-leaps of superconducting phase differences in π-junction-based SQUIDs”,
Supercond. Sci. Technol. 36, 045004 (2023).
・Duong Pham, Riku Sugimoto, Kenjiro Oba, Yuto Takeshita, Feng Li, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki,
“Weak spin-flip scattering in Pd89Ni11 interlayer of NbN-based ferromagnetic Josephson junctions”,
Scientific Reports volume 12, Article number: 6863 (2022).
