15 μm orthogonally polarized dual-output heralded single photon source based on optical fibers with birefringence | Zendy

Tianyi Ma | Zendy; Qiang Zhou | Zendy; Wei Zhang | Zendy; Yidong Huang | Zendy; Xiaowei Cui | Zendy; Mingquan Lu | Zendy; Bingkun Zhou | Zendy

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15 μm orthogonally polarized dual-output heralded single photon source based on optical fibers with birefringence

Author(s) -

Tianyi Ma,

Qiang Zhou,

Wei Zhang,

Yidong Huang,

Xiaowei Cui,

Mingquan Lu,

Bingkun Zhou

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.015364

Subject(s) - physics , birefringence , optics , photon , polarization (electrochemistry) , four wave mixing , photon polarization , optical fiber , nonlinear optics , laser , chemistry

In this paper, a heralded single photon source (HSPS) at 1.5 μm with two independent orthogonally polarized outputs is realized based on a piece of polarization maintaining dispersion shifted fiber (PM-DSF). The HSPS is based on two scalar spontaneous four wave mixing (SFWM) processes along the two fiber polarization axes, while two vector SFWM processes are suppressed due to the high birefringence in the PM-DSF. The preparation efficiencies of the two independent outputs are about 73.7% and 69.1%, respectively, under a second-order correlation function g(2)(0) of 0.059. The indistinguishability between the two independent heralded single photons is demonstrated by Hong-Ou-Mandel (HOM) interference with a visibility of 78.9%, showing its great potential in quantum optics experiments and applications of quantum information.

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