1.5 GHz single-photon detection at telecommunication wavelengths using sinusoidally gated InGaAs/InP avalanche photodiode
1.5 GHz single-photon detection at telecommunication wavelengths using sinusoidally gated InGaAs/InP avalanche photodiode
复制标题
DOI：
10.1364/oe.17.006275
复制
发表时间：
2009-04-13
期刊：
影响因子：
3.8
通讯作者：
Inoue, Shuichiro
中科院分区：
文献类型：
--
作者：
Namekata, Naoto;Adachi, Shunsuke;Inoue, Shuichiro
报道了一种用于千兆赫兹计时量子密钥分配系统的电信频段单光子探测器。该单光子探测器基于正弦选通的InGaAs/InP雪崩光电二极管。该单光子探测器的选通重复频率达到1.5 GHz。在1550 nm处获得了10.8%的量子效率，每门暗计数几率为6.3×10~(-7)，后脉冲几率为2.8%。此外，该探测器的最大检测速率为20 MHz。(C)2009年美国光学学会
We report a telecom-band single-photon detector for gigahertz clocked quantum key distribution systems. The single-photon detector is based on a sinusoidally gated InGaAs/InP avalanche photodiode. The gate repetition frequency of the single-photon detector reached 1.5 GHz. A quantum efficiency of 10.8% at 1550 nm was obtained with a dark count probability per gate of 6.3x10(-7) and an afterpulsing probability of 2.8%. Moreover, the maximum detection rate of the detector is 20 MHz. (C) 2009 Optical Society of America