Photon pair generation in birefringent optical fibers

Brian J. Smith, P. Mahou, Offir Cohen, J. S. Lundeen, I. A. Walmsley

Research output: Contribution to journalArticlepeer-review


We study both experimentally and theoretically the generation of photon pairs by spontaneous four-wave mixing (SFWM) in standard biréfringent 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 biréfringent 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.

Original languageEnglish (US)
Pages (from-to)23589-23602
Number of pages14
JournalOptics Express
Issue number26
StatePublished - Dec 21 2009
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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