Photon pair generation in birefringent optical fibers

被引：110
作者：
Smith, Brian J. [1 ,2 ]
Mahou, P. [2 ]
Cohen, Offir [2 ]
Lundeen, J. S. [3 ]
Walmsley, I. A. [2 ]
机构：
[1] Natl Univ Singapore, Ctr Quantum Technol, Singapore 117543, Singapore
[2] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England
[3] Natl Res Council Canada, Inst Natl Measurement Stand, Ottawa, ON K1A 0R6, Canada
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 26期
基金：
英国工程与自然科学研究理事会;
关键词：
TELECOM-BAND; MODULATION INSTABILITY; SPECTRAL PROPERTIES; BELL INEQUALITY; HIGH-BRIGHTNESS; LOW-NOISE; ENTANGLEMENT; CANCELLATION; LIGHT;
D O I：
10.1364/OE.17.023589
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study both experimentally and theoretically the generation of photon pairs by spontaneous four-wave mixing (SFWM) in standard birefringent optical fibers. The ability to produce a range of two-photon spectral states, from highly correlated (entangled) to completely factorable, by means of cross-polarized birefringent phase matching, is explored. A simple model is developed to predict the spectral state of the photon pair which shows how this can be adjusted by choosing the appropriate pump bandwidth, fiber length and birefringence. Spontaneous Raman scattering is modeled to determine the tradeoff between SFWM and background Raman noise, and the predicted results are shown to agree with experimental data. (C) 2009 Optical Society of America
引用
收藏
页码：23589 / 23602
页数：14
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