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Journal of Applied Physics / Volume 109 / Issue 10 / ARTICLES / Magnetism and Superconductivity

J. Appl. Phys. 109, 103903 (2011); http://dx.doi.org/10.1063/1.3585849 (8 pages)

Ultra-low-power superconductor logic

Quentin P. Herr, Anna Y. Herr, Oliver T. Oberg, and Alexander G. Ioannidis

Northrop Grumman Systems Corp., Baltimore, Maryland 21240, USA

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(Received 25 January 2011; accepted 31 March 2011; published online 17 May 2011)

We have developed a new superconducting digital technology, Reciprocal Quantum Logic, that uses ac power carried on a transmission line, which also serves as a clock. Using simple experiments, we have demonstrated zero static power dissipation, thermally limited dynamic power dissipation, high clock stability, high operating margins, and a low bit-error rate. These features indicate that the technology is scalable to far more complex circuits at a significant level of integration. On the system level, Reciprocal Quantum Logic combines the high speed and low-power signal levels of single-flux-quantum signals with the design methodology of semiconductor digital logic, including low static power dissipation, low latency combinational logic, and efficient device count.

© 2011 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. RESULTS
    1. Power dissipation
    2. Clock phase stability
    3. Logic gates
    4. Bit-error rate
  3. DISCUSSION

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KEYWORDS and PACS

Keywords

clocks, CMOS logic circuits, combinational circuits, logic design, low-power electronics, quantum optics, superconducting logic circuits

PACS

  • 84.30.Sk

    Pulse and digital circuits

  • 85.40.-e

    Microelectronics: LSI, VLSI, ULSI; integrated circuit fabrication technology

  • 85.25.Hv

    Superconducting logic elements and memory devices; microelectronic circuits

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3585849

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    Q. P. Herr, A. D. Smith, and M. S. Wire, Appl. Phys. Lett. 80, 3210 (2002)APPLAB000080000017003210000001.

    M. Klein and A. Mukherjee, Appl. Phys. Lett. 40, 744 (1982)APPLAB000040000008000744000001.

    Q. P. Herr and M. J. Feldman, Appl. Phys. Lett. 69, 694 (1996)APPLAB000069000005000694000001.

    M. Bin, M. G. Gaidis, J. Zmuidzinas, and T. G. Phillips, Appl. Phys. Lett. 68, 1714 (1996)APPLAB000068000012001714000001.


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