Frequency Multiplexing Heralded Single Photon Source at 1.5 μm

Hao Yu,Chenzhi Yuan,Ruiming Zhang,Zichang Zhang,You Wang,Haizhi Song,Yong Wang,Hao Li,Lixing You,Guangwei Deng,Qiang Zhou

2019 Asia Communications and Photonics Conference (ACP)（2019）

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摘要

We propose a heralded single photon source with three frequency modes multiplexed and operating in all telecom band by using cascaded χ ⁽²⁾ processes in a periodically poled lithium niobite (PPLN) waveguide. Our proof-of-principle result shows that each frequency mode reaches a coincidence count rate of ~10 kHz with a coincident-to-accidental ratio of 3×10 ² .

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关键词

frequency multiplexing,heralded single photon source,frequency mode,telecom band,periodically poled lithium niobite waveguide,proof-of-principle result,coincident-to-accidental ratio,cascaded χ(2) ,frequency 10.0 kHz,LiNbO3

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