Inst. of Advanced Sciences, Yokohama National Univ.

Comparison of bit energy and clock period of several logic circuits. The bit energy of AQFP (adiabatic quantum flux parametron) logic is five or six orders of magnitude smaller than that of conventional CMOS logic.


Microphotograph of a single-flux-quantum (SFQ) time-to-digital converter (TDC) for superconducting time-of-flight mass spectrometers, which have high mass resolution for bio molecules. The time resolution of the SFQ TDC is demonstrated to be about a few ps.

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