Parametric downconversion with optimized spectral properties in nonlinear photonic crystals

Details Parametric downconversion with optimized spectral properties in nonlinear photonic crystals Parametric downconversion with optimized spectral properties in nonlinear photonic crystals

2007-10-19

arxiv.org/abs/0710.3745v1

PRA 76, 043829 (2007)

Physics

Quantum Physics

9 pages, 6 figures

Scientific paper

10.1103/PhysRevA.76.043829

We study the joint spectral properties of photon pairs generated by spontaneous parametric down-conversion in a one-dimensional nonlinear photonic crystal in a collinear, degenerate, type-II geometry. We show that the photonic crystal properties may be exploited to compensate for material dispersion and obtain photon pairs that are nearly factorable, in principle, for arbitrary materials and spectral regions, limited by the ability to fabricate the nonlinear crystal with the required periodic variation in the refractive indices for the ordinary and extraordinary waves.

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