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

Title
Observation of photon-pair generation in the normal group-velocity-dispersion regime with slight detuning from the pump wavelength
Authors
PARK, KYUNG DEUKDONGJIN, LEEIN, YONGSUPKIM, YOON HOSHIN, HEEDEUK
POSTECH Authors
KIM, YOON HOSHIN, HEEDEUK
Date Issued
5-Oct-2018
Publisher
IOP PUBLISHING LTD
Abstract
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.
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.
Keywords
CRYSTAL FIBER; SINGLE PHOTONS; SHIFTED FIBER; QUANTUM COMMUNICATIONS; CONVERSION
URI
http://oasis.postech.ac.kr/handle/2014.oak/93979
DOI
10.1088/1367-2630/aae172
ISSN
1367-2630
Article Type
Article
Citation
NEW JOURNAL OF PHYSICS, vol. 20, 2018-10-05
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 KIM, YOON HO
Dept of Physics
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