Observation of photon-pair generation in the normal group-velocity-dispersion regime with slight detuning from the pump wavelength

A fiber-based photon-pair source in the telecom C-band is suitable for quantum information science including quantum communications. Spontaneous four-wave mixing effects are known to create photon pairs that are slightly detuned from the pump wavelength only in the anomalous group-velocity-dispersio...

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Bibliographic Details
Published inNew journal of physics Vol. 20; no. 10; pp. 103004 - 103010
Main Authors Park, Kyungdeuk, Lee, Dongjin, Ihn, Yong Sup, Kim, Yoon-Ho, Shin, Heedeuk
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 05.10.2018
Subjects
C band
Four-wave mixing
Light sources
normal group-velocity dispersion
phase matching condition
photon-pair generation
Photons
Physics
Quantum phenomena
spontaneous four-wave mixing
Telecommunications
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Summary:A fiber-based photon-pair source in the telecom C-band is suitable for quantum information science including quantum communications. Spontaneous four-wave mixing effects are known to create photon pairs that are slightly detuned from the pump wavelength only in the anomalous group-velocity-dispersion (GVD) regime. Here, we achieve high-quality photon-pair generation slightly detuned from the pump wavelength in the normal GVD regime through a dispersion shifted fiber, for the first time. The photon pairs in C-band exhibit strong temporal correlation with each other and excellent heralded anti-bunching property. This photon-pair generation scheme can be exploited as telecom-band quantum light sources for quantum information applications.
Bibliography:NJP-108865.R3
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/aae172