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.
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15 May 2011
Research Article|
May 17 2011
Ultra-low-power superconductor logic
Quentin P. Herr;
Quentin P. Herr
a)
Northrop Grumman Systems Corp., Baltimore, Maryland 21240,
USA
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Anna Y. Herr;
Anna Y. Herr
Northrop Grumman Systems Corp., Baltimore, Maryland 21240,
USA
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Oliver T. Oberg;
Oliver T. Oberg
Northrop Grumman Systems Corp., Baltimore, Maryland 21240,
USA
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Alexander G. Ioannidis
Alexander G. Ioannidis
Northrop Grumman Systems Corp., Baltimore, Maryland 21240,
USA
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a)
Author to whom correspondence should be addressed. Electronic mail: quentin.herr@ngc.com.
J. Appl. Phys. 109, 103903 (2011)
Article history
Received:
January 25 2011
Accepted:
March 31 2011
Citation
Quentin P. Herr, Anna Y. Herr, Oliver T. Oberg, Alexander G. Ioannidis; Ultra-low-power superconductor logic. J. Appl. Phys. 15 May 2011; 109 (10): 103903. https://doi.org/10.1063/1.3585849
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