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Cited by 206

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Photon-pair generation in optical fibers through four-wave mixing: Role of Raman scattering and pump polarization

Lin, Q., Yaman, F., Agrawal, Govind P.·2007·Physical Review A

Abstract

We present a general quantum theory capable of describing photon statistics under the combined effects of four-wave mixing and Raman scattering inside optical fibers. Our theory is vectorial in nature and includes all polarization effects. Our analysis shows that spontaneous Raman scattering degrades the pair correlation in all cases but the extent of degradation depends on the pumping configuration employed. In a single-pump configuration, photon pairs can be created with polarization either parallel or orthogonal to the pump. Our results show that the orthogonal configuration can improve the extent of quantum correlation considerably over a broad bandwidth. In the case of a dual-pump configuration, we show that imbalance of two pump powers can be used to improve the quality of photon pairs. We show that orthogonally polarized pumps can generate photon pairs automatically in a polarization-entangled state. In particular, orthogonal pumping with circular polarizations produces such an entangled state with relatively high quality. We also quantify the quality of polarization entanglement as well as energy-time entanglement constructed using correlated photon pairs.

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Metadata

Authors
Lin, Q., Yaman, F., & Agrawal, G. P.
Venue
Physical Review A
Published
2007-02-01
Volume
75
Issue
2
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
OpenAlex
W1966195350
Cited by
206
References
6
FWCI
13.79
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Photon-pair generation in optical fibers through four-wave mixing: Role of Raman scattering and pump polarization. https://app.cochat.ai/papers/10.1103/physreva.75.023803
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Lin, Q., Yaman, F., & Agrawal, G. P. (2007). Photon-pair generation in optical fibers through four-wave mixing: Role of Raman scattering and pump polarization. Physical Review A. https://doi.org/10.1103/physreva.75.023803

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