Dept. of Electrical and Computer Engin., Yokohama National Univ.

Papers

Thesis

International Conf.

Domestic Conf.

(1)  N. Takeuchi, S. Nagasawa, F. China, T. Ando, M. Hidaka, Y. Yamanashi, N. Yoshikawa, “Adiabatic quantum-flux-parametron cell library designed using a 10 kA cm−2 niobium fabrication process,” Superconductor Science and Technology, vol. 30, No. 3, Jan. 2017, pp 035002-1-6. DOI:10.1088/1361-6668/aa52f3

(2)  C. L. Ayala, N. Takeuchi, Y. Yamanashi, T. Ortlepp, N. Yoshikawa, “Majority-logic-optimized parallel prefix carry look-ahead adder families using adiabatic quantum-flux-parametron logic,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1300407-1-7. DOI: 10.1109/TASC.2016.2642041

(3)  F. China, N. Tsuji, T. Narama, N. Takeuchi, T. Ortlepp, Y. Yamanashi, N. Yoshikawa, “Demonstration of Signal Transmission Between Adiabatic Quantum-Flux-Parametrons and Rapid Single-Flux-Quantum Circuits Using Superconductive Microstrip Lines,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1300205-1-5. DOI: 10.1109/TASC.2016.2642046

(4)  G. Konno, Y. Yamanashi, N. Yoshikawa, “(Invited) Fully Functional Operation of Low-Power 64-kb Josephson-CMOS Hybrid Memories,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1300607-1-7. DOI: 10.1109/TASC.2016.2646911

(5)  T. Ono, H. Suzuki, Y. Yamanashi, N. Yoshikawa, “Design and Implementation of an SFQ-Based Single-Chip FFT Processor,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1301505-1-5. DOI: 10.1109/TASC.2017.2667398

(6)  K. Sano, T. Shimoda, Y. Abe, Y. Yamanashi, N. Yoshikawa, “Reduction of the Supply Current of Single-Flux-Quantum Time-to-Digital Converters by Current Recycling Techniques,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1300305-1-5. DOI: 10.1109/TASC.2016.2646916

(7)  M. Tanaka, M. Suzuki, G. Konno, Y. Ito, A.Fujimaki, N. Yoshikawa, “Josephson-CMOS Hybrid Memory With Nanocryotrons,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1800904-1-4. DOI: 10.1109/TASC.2016.2646929

(8)  N. Tsuji, C. L. Ayala, N. Takeuchi, T. Ortlepp, Y. Yamanashi, N. Yoshikawa, “Design and Implementation of a 16-Word by 1-Bit Register File Using Adiabatic Quantum Flux Parametron Logic,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1300904-1-4. DOI: 10.1109/TASC.2017.2656128

(9)  Qiuyun Xu, C. L. Ayala, N. Takeuchi, Y. Murai, Y. Yamanashi, N. Yoshikawa, “Synthesis Flow for Cell-Based Adiabatic Quantum-Flux-Parametron Structural Circuit Generation With HDL Back-End Verification,” IEEE Trans. Appl. Supercond. vol. 27, 2017, 1301905-1-5. DOI: 10.1109/TASC.2017.2662017

(10)  N. Takeuchi, Y. Yamanashi, N. Yoshikawa, “Reversibility and energy dissipation in adiabatic superconductor logic,” Scientific Reports, 7, 2017, 75-1-12. DOI: 10.1038/s41598-017-00089-9

(11)  K. Fang, N. Takeuchi, T. Ando, Y. Yamanashi, N. Yoshikawa, “Multi-excitation adiabatic quantum-flux-parametron,” Journal of Applied Physics, 121, 2017, 143901. DOI:10.1063/1.4979856

(12)  T. Ando, S. Nagasawa, N. Takeuchi, N. Tsuji, F. China, M. Hidaka, Y. Yamanashi, N. Yoshikawa, “Three-dimensional adiabatic quantum-flux-parametron fabricated using a double-active-layered niobium process,” Supercond. Sci. Technol. vol. 30, 2017, 075003 (7pp). DOI: 10.1088/1361-6668/aa6ef4

(13)  Y. Yamanashi, T. Matsushima, N. Takeuchi, N. Yoshikawa and T. Ortlepp, “Evaluation of current sensitivity of quantum flux parametron,” Supercond. Sci. Technol. vol. 30, 2017, 084004 (5pp). DOI: 10.1088/1361-6668/aa73be

(14)  Y. Murai, Christopher L. Ayala, N. Takeuchi, Y. Yamanashi, and N. Yoshikawa, “Development and Demonstration of Routing and Placement EDA Tools for Large-Scale Adiabatic Quantum-Flux-Parametron Circuits,” IEEE Transactions on Applied Superconductivity, vol. 27, 2017, 1302209. DOI: 10.1109/TASC.2017.271965

(15)  H. Suzuki, T. Ono, N. Yoshikawa, “Experimental and simulation results of a symmetrical pad to reduce a stray ground current in superconducting integrated circuits,” Journal of Physics. Conference Series. vol. 871, 2017, 012067. DOI: 10.1364/OE.25.032650

(16)  N. Takeuchi, T. Yamashita, S. Miyajima, S. Miki, N. Yoshikawa, G. Terai “Adiabatic quantum-flux-parametron interface for the readout of superconducting nanowire single-photon detectors,” Optics Express, Vol. 25, Issue 26, pp. 32650-32658, 2017, DOI: 10.1364/OE.25.032650

(17)  N. Takeuchi, H. Suzuki, N. Yoshikawa, “Measurement of low bit-error-rates of adiabatic quantum-flux-parametron logic using a superconductor voltage driver,” Appl. Phys. Lett., 110, 202601 (2017) . DOI: 10.1063/1.4983351

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