研究成果(論文・学会発表)

2023年度

・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”,
accepted in IEEE Transactions on Applied Superconductivity


・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).