Extremely Energy-Efficient Processors

Research Output 1984 2017

Filter
Conference contribution
2016

Demonstration of 10k gate-scale adiabatic-quantum-flux-parametron circuits

Narama, T., Yamanashi, Y., Yoshikawa, N., Takeuchi, N. & Ortlepp, T. 2016 Jan 14 2015 15th International Superconductive Electronics Conference, ISEC 2015. Institute of Electrical and Electronics Engineers Inc., 7383438

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fluxes
Superconducting materials
Energy dissipation
Demonstrations

Design and high-speed component tests of an SFQ FFT processor using the 10 kA/cm2 Nb advanced process

Sakashita, Y., Ono, T., Yamanashi, Y. & Yoshikawa, N. 2016 Jan 14 2015 15th International Superconductive Electronics Conference, ISEC 2015. Institute of Electrical and Electronics Engineers Inc., 7383442

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fast Fourier transforms
Fluxes
ROM
Logic circuits

Design of an extremely energy-efficient hardware algorithm using adiabatic superconductor logic

Xu, Q., Yamanashi, Y., Yoshikawa, N., Ayala, C. L., Takeuchi, N. & Ortlepp, T. 2016 Jan 14 2015 15th International Superconductive Electronics Conference, ISEC 2015. Institute of Electrical and Electronics Engineers Inc., 7383446

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hardware
Superconducting materials
Energy efficiency
Energy dissipation
Semiconductor materials

Development of bit-serial RSFQ microprocessors integrated with shift-register-based random access memories

Tanaka, M., Takata, K., Sato, R., Fujimaki, A., Kawaguchi, T., Ando, Y., Takagi, K., Takagi, N. & Yoshikawa, N. 2016 Jan 14 2015 15th International Superconductive Electronics Conference, ISEC 2015. Institute of Electrical and Electronics Engineers Inc., 7383449

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microprocessor chips
Fluxes
Shift registers
Hardware
Clocks

Experimental demonstration of a nanoelectromechanical switch-based logic library including sequential and combinational gates

Ayala, C. L., Bazigos, A., Grogg, D., Drechsler, U. & Hagleitner, C. 2016 Oct 18 2016 46th European Solid-State Device Research Conference, ESSDERC 2016. Editions Frontieres, Vol. 2016-October, p. 51-54 4 p. 7599586

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Switches
Flip flop circuits
Combinatorial circuits
Amorphous carbon
Microprocessor chips

Experimental demonstration of a nanoelectromechanical switch-based logic library including sequential and combinational gates

Ayala, C. L., Bazigos, A., Grogg, D., Drechsler, U. & Hagleitner, C. 2016 Oct 18 ESSCIRC 2016: 42nd European Solid-State Circuits Conference. IEEE Computer Society, Vol. 2016-October, p. 59-62 4 p. 7598242

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Switches
Flip flop circuits
Combinatorial circuits
Amorphous carbon
Microprocessor chips

Grounding methods to reduce stray coupling in multilayer layouts

Fourie, C. J., Miyanishi, S. & Yoshikawa, N. 2016 Jan 14 2015 15th International Superconductive Electronics Conference, ISEC 2015. Institute of Electrical and Electronics Engineers Inc., 7383461

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multilayers
Inductance
Integrated circuit layout
Electric grounding
Tile

Improvement of energy efficiency of 64-kb Josephson-CMOS hybrid memories

Konno, G., Sasaki, Y., Yamanashi, Y. & Yoshikawa, N. 2016 Jan 14 2015 15th International Superconductive Electronics Conference, ISEC 2015. Institute of Electrical and Electronics Engineers Inc., 7383463

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric power utilization
Random access storage
Energy efficiency
Fluxes
Sensors

Study of signal interface between single flux quantum circuit and adiabatic quantum flux parametron

China, F., Narama, T., Takeuchi, N., Yamanashi, Y., Yoshikawa, N. & Ortlepp, T. 2016 Jan 14 2015 15th International Superconductive Electronics Conference, ISEC 2015. Institute of Electrical and Electronics Engineers Inc., 7383483

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fluxes
Magnetic flux
Hybrid systems
Electric lines
2014

Formulation and optimization of pulley-gear-type SMA heat engine toward microfluidic MEMS motor

Aono, H., Imamura, R., Fuchiwaki, O., Yamanashi, Y. & Bohringer, K. F. 2014 Jan 1 IEEE International Conference on Intelligent Robots and Systems. Institute of Electrical and Electronics Engineers Inc., p. 2839-2845 7 p. 6942952

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heat engines
Shape memory effect
Pulleys
MEMS
Gears
3 Citations

Reversible computing using adiabatic superconductor logic

Takeuchi, N., Yamanashi, Y. & Yoshikawa, N. 2014 Jan 1 Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Springer Verlag, Vol. 8507 LNCS, p. 15-25 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8507 LNCS)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fluxes
Energy dissipation
Superconducting materials
Potential energy
Energy efficiency
2013

Simulation and implementation of an 8-bit carry look-ahead adder using adiabatic quantum-flux-parametron

Inoue, K., Takeuchi, N., Yamanashi, Y. & Yoshikawa, N. 2013 Oct 15 2013 IEEE 14th InternationalSuperconductive Electronics Conference, ISEC 2013. 6604271

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Adders
Fluxes
Logic circuits
Potential energy
Clocks
2004
6 Citations

A single-flux-quantum logic prototype microprocessor

Tanaka, M., Matsuzaki, F., Kondo, T., Nakajima, N., Yamanashi, Y., Fujimaki, A., Hayakawa, H., Yoshikawa, N., Terai, H. & Yorozu, S. 2004 Digest of Technical Papers - IEEE International Solid-State Circuits Conference. Fujino, L. C., Amiri, M., Grabel, A., Jaeger, D. & Smith, K. C. (eds.). Vol. 47

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microprocessor chips
Fluxes
Niobium
Clocks
Electric power utilization
2003

A single-flux-quantum logic prototype microprocessor

Tanaka, M., Matsuzaki, F., Kondo, T., Nakajima, N., Yamanashi, Y., Fujimaki, A., Hayakawa, H., Yoshikawa, N., Terai, H. & Yorozu, S. 2003 Digest of Technical Papers - IEEE International Solid-State Circuits Conference. Fujino, L. C., Amiri, M., Grabel, A., Jaeger, D. & Smith, K. C. (eds.). Vol. 47, p. 242-243 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microprocessor chips
Fluxes
Niobium
Clocks
Electric power utilization
1988

Sheet-resistance dependence of electrical properties of NbN granular thin films

Yoshikawa, N., Akeyoshi, T., Kojima, M. & Sugahara, M. 1988 Dec 1 Advances in Cryogenic Engineering. New York, NY, United States: Publ by Plenum Publ Corp, Vol. 34, p. 739-748 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sheet resistance
Thin films
Temperature
Current voltage characteristics
Electromagnetic waves