Heralding of single photon at 1550 nm from pump pulsed non degenerate spontaneous parametric downconversion is demonstrated. P(1) and P(2) of our source are 0.1871 and 2.4 x 10 ^-3 respectively. Triggering of our source is 2.16 x 10^5 trigger.s^-1. This source may be used in QKD system.
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机译：证明了由泵浦脉冲进行的非简并自发参数下转换在1550 nm处发出的单个光子预示着。我们的资料来源的P（1）和P（2）分别为0.1871和2.4 x 10 ^ -3。我们的源的触发是2.16 x 10 ^ 5 trigger.s ^ -1。此源可用于QKD系统。
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