Presentations -
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Design of Single Flux Quantum Circuits with Critical Current Density Process Lowered to 250 A/cm2 toward Quantum Bit Control
Masamitsu Tanaka, Yoshihiro Kitagawa, Tetsuro Satoh, Tsuyoshi Yamamoto
The 69nd Japan Society of Applied Physics Spring Meeting, 2022 2022.3.23
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Development of a fabrication process for superconducting integrated circuits based on nitride superconductors for qubit control
Shigeyuki Miyajima, Taro Yamashita, Masamitsu Tanaka, Naoki Takeuchi, Hirotaka Terai
The 69nd Japan Society of Applied Physics Spring Meeting, 2022 2022.3.23
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Demonstration of controlling the state of memory cell by impulse-signals
Yuto Takeshita, Hinata Fujisawa, Kento Kato, Masayuki Higashi, Feng Li, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
The 69nd Japan Society of Applied Physics Spring Meeting, 2022 2022.3.23
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Analysis of the SQUID based on π-junction for high magnetic permeability
Masayuki Higashi, Yuto Takeshita, Kento Kato, Hinata Fujisawa, Feng Li, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
The 69nd Japan Society of Applied Physics Spring Meeting, 2022 2022.3.23
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170-GHz Operation of Single Flux Quantum Shift-Registers Using 25 kA/cm2 Nb/Al/AlOx/Al/Nb Junctions
Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki, Kazumasa Makise, Shuichi Nagasawa, Mutsuo Hidaka
The 69nd Japan Society of Applied Physics Spring Meeting, 2022 2022.3.23
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Design and fabrication of toggle flip-flop circuit with NbN-based half flux quantum
Riku Sugimoto, Kenjiro Oba, Pham Duong, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
The 69nd Japan Society of Applied Physics Spring Meeting, 2022 2022.3.23
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Design of NbN-Based, Extremely Low-Power Single-Flux-Quantum Circuits toward Monolithic Integration with Quantum Bits
Toranosuke Nakayama, Tomoharu Ueda, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
The 69nd Japan Society of Applied Physics Spring Meeting, 2022 2022.3.23
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Demonstration of Gate-Level-Pipelined Floating-Point Units Using Single-Flux-Quantum Circuits
Ikki Nagaoka, Ryota Kashima, Masamitsu Tanaka, Satoshi Kawakami, Teruo Tanimoto, Taro Yamashita, Koji Inoue, Akira Fujimaki
2022 IEICE General Conference 2022.3.16
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Interactive Visualization of SFQ Transmission Line
Akira Miura, Keiichi Matsuzaki, Takayuki Ishida, Masamitsu Tanaka, Koji Inoue
2022 IEICE General Conference 2022.3.16
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Optimization of circuit parameters of half flux quantum circuits
Shoma Tanemura, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
2022 IEICE General Conference 2022.3.16
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Design and Evaluation of Via Holes for Narrowed Passive Transmission Lines toward Area Reduction of Single-Flux-Quantum Circuits
Ryota Kashima, Ikki Nagaoka, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
2022 IEICE General Conference 2022.3.16
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宇宙機での利用に向けたデバイス開発に係る可視化 —単一磁束量子回路の例—
三浦昭, 松崎恵一, 石田貴行, 田中雅光, 井上弘士
2021年度宇宙科学情報解析シンポジウム 2022.2.17
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Half-flux-quantum circuits using π-shifted ferromagnetic junctions Invited International conference
Feng Li, Yuto Takeshita, Daiki Hasegawa, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
34th International Symposium on Superconductivity (ISS2021) 2021.12.1
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π-phase shift in NbN-based Josephson junctions with weak ferromagnet Pd89Ni11 interlayer
Duong Pham, Riku Sugimoto, Kenjiro Oba, Yuto Takeshita, Feng Li, Masamitsu Tanaka, Taro Yamashita, Akira Fujimaki
2021.11.15
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Pi-phase shift in NbN-based Josephson junctions with weak ferromagnet Pd89Ni11 interlayer
D. Pham, R. Sugimoto, K. Oba, Y. Takeshita, F. Li, M. Tanaka, T. Yamashita, A. Fujimaki
2021.11.15
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Superconducting Quantum Circuits toward Demonstration of Quantum Advantage in Simultaneous Quantum Messages Protocols International conference
T. Yamashita, D. Pham, M. Tanaka, K. Inomata, and H. Nishimura
The Joint Workshop of 14th Superconducting SFQ VLSI Workshop (SSV 2021) and 3rd Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems (QCCC 2021) 2021.11.10
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Low-power Half-flux-quantum Circuits and the Fabrication Process Based on Ferromagnetic SFIS Josephson Junctions International conference
F. Li, Y. Takeshita, D. Hasegawa, M. Tanaka, T. Yamashita, and A. Fujimaki
The Joint Workshop of 14th Superconducting SFQ VLSI Workshop (SSV 2021) and 3rd Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems (QCCC 2021) 2021.11.9
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Controlling Flexibility of Information Carrier Using Magnetic Josephson Junctions toward Highly Energy-Efficient Processing International conference
M. Tanaka, M. Higashi, T. Yamashita, A. Fujimaki, K. Makise, and T. Ono
The Joint Workshop of 14th Superconducting SFQ VLSI Workshop (SSV 2021) and 3rd Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems (QCCC 2021) 2021.11.10
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Study on Pulse-Driven, Low Energy Consumption Memory Based on 0-π SQUIDs International conference
Y. Takeshita, F. Li, H. Fujisawa, K. Kato, M. Higashi, M. Tanaka, T. Yamashita, and A. Fujimaki
The Joint Workshop of 14th Superconducting SFQ VLSI Workshop (SSV 2021) and 3rd Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems (QCCC 2021) 2021.11.9
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Pursuit of High-Speed Operation and Low Energy Consumption in Superconductor Logic Circuits International conference
A. Fujimaki, F. Li, M. Tanaka, and T. Yamashita
The Joint Workshop of 14th Superconducting SFQ VLSI Workshop (SSV 2021) and 3rd Workshop on Quantum and Classical Cryogenic Devices, Circuits, and Systems (QCCC 2021) 2021.11.9