SUPERCONDUCTING SINGLE PHOTON DETECTING SYSTEM, AND METHOD FOR DETECTING SUPERCONDUCTING SINGLE PHOTON

PROBLEM TO BE SOLVED: To provide a superconducting single photon detecting system, even when the number of SSPDs (Superconducting Single Photon Detectors) constituting an SSPD array is increased, suppressing enlargement of a system and capable of easily and surely discriminating from which SSPD a de...

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Hauptverfasser:	MIKI SHIGETO, YAMASHITA TARO, O YASU, MAKISE YOSHIMASA, TERAI HIROTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY ELECTRICITY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a superconducting single photon detecting system, even when the number of SSPDs (Superconducting Single Photon Detectors) constituting an SSPD array is increased, suppressing enlargement of a system and capable of easily and surely discriminating from which SSPD a detection signal is emitted.SOLUTION: A superconducting single photon detecting system 1 includes: a plurality of superconducting single photon detectors 21-24 operating by a bias current; a superconducting single magnetic flux quantum circuit 30 that converts a detection signal output from each of the plurality of superconducting single photon detectors 21-24 into a single magnetic flux quantum signal, multiplexes the single magnetic quantum signals and outputs it as an output signal; and a plurality of signal transmission paths 41-44 that connect between each of the plurality of superconducting single photon detectors 21-24 and the superconducting single magnetic flux quantum circuit 30. The plurality of signal transmission paths 41-44 have mutually different lengths.