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• Design and fabrication of integrator using adiabatic quantum-flux-parametron circuit

  Shen, HX; Han, ZY; Li, ZY; He, YX; Yoshikawa, N

  SUPERCONDUCTOR SCIENCE & TECHNOLOGY   38 ( 2 )   2025年2月

  DOI Web of Science

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  記述言語：日本語   掲載種別：研究論文（学術雑誌）   共著  

• A binary neural computing unit with programmable gate using SFQ and CMOS hybrid circuit

  Li, ZY; Shen, HX; Yoshikawa, N; Yamanashi, Y

  SUPERCONDUCTOR SCIENCE & TECHNOLOGY   37 ( 6 )   2024年6月

  DOI Web of Science

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  記述言語：日本語   掲載種別：研究論文（学術雑誌）   共著  

• General Matrix Synthesis for Cascaded-Block Filters With Flexible Bandwidth

  He, YX; Zeng, Y; Shen, HX; Yoshikawa, N; Zou, XH; Yan, LS; Macchiarella, G

  IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES   72 ( 6 )   3671 - 3681   2024年6月

  DOI Web of Science

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  記述言語：日本語   掲載種別：研究論文（学術雑誌）   共著  

• A binary neural computing unit with programmable gate using SFQ and CMOS hybrid circuit

  Li Zongyuan, Shen Hongxiang, Yoshikawa Nobuyuki, Yamanashi Yuki

  Superconductor Science and Technology   37 ( 6 )   2024年5月

  CiNii Research

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  記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：IOP Publishing   共著  

  Superconducting neural networks hold significant potential for future applications such as natural language processing and image recognition. To this end, we propose a binary neural computing unit implemented using a hybrid circuit of cryogenic CMOS and superconducting technologies. It offers two main advantages: firstly, we utilize current-mode computations for neural unit weight calculations, significantly reducing the unit's footprint and enabling the potential for higher integration in the future. Secondly, all computations are performed in a low-temperature environment, which implies the possibility of on-chip learning in superconducting neural networks and the potential for achieving faster training rates in the future. We fabricated the chip using Nb 1 kA cm−2 process (1KP) technology and experimentally verified the correctness of the circuit logic. The margins for various control parameters of the circuit are approximately around 30%, and the superconducting circuit power consumption is estimated to be around 4 microwatts.

• Generating Microwave Signals with Enhancive Amplitudes Using Superconductor Single Flux Quantum Pulses for Controlling Quantum Bit

  Shen, HX; He, YX; Han, ZY; Li, ZY; Luo, WH; Cheng, L; Luo, YY; Jing, B; Yoshikawa, N

  ADVANCED QUANTUM TECHNOLOGIES   7 ( 8 )   2024年4月

  DOI Web of Science

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  記述言語：日本語   掲載種別：研究論文（学術雑誌）   共著  

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