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Optical receiving device in optical communication system, control method and device of photon detector, and dark count evaluation method of photon detector
Optical receiving device in optical communication system, control method and device of photon detector, and dark count evaluation method of photon detector
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机译:光通信系统中的光接收装置,光子检测器的控制方法和装置以及光子检测器的暗计数评估方法
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摘要
[Problem] It is to provide an optical receiving device, a control method and device of a photon detector, and a dark count evaluation method of the photon detector that make it possible to perform a dark count evaluation with the photon detector performing a receiving operation. [Solution] It is to include a Z pulse information detection unit 205 and a control unit 204 selectively extracting outputs of photon detectors PD1 and PD2 to a transmission light pulse with light intensity substantially equal to zero included in a transmission light pulse train and a dark count evaluation unit 206 evaluating dark counts of the photon detectors based on photon detection counts indicated by the extracted outputs.
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