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Monolithic symmetry effect on optimizing the phase matching parameters of a biaxial crystal for spontaneous parametric down conversion

G. HUO1, M. ZHANG2,*

Affiliation

  1. Department of Applied Science, Xijing University, Xi’an 710123, China
  2. School of Electronics Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, China

Abstract

We report on the optimum phase matching parameters of collinear SPDC configuration for type I and type II in biaxial crystal. Considering the monolithic symmetry effect of BIBO, the double phase matching conditions based on angle-dependent refractive index are presented theoretically. Then we numerically simulate the effective nonlinear coefficient in all azimuth angles, and ascertain the maximal phase matching orientations. The results shows that calculations can be further simplified in one of the octant planes owing to monolithic symmetry of the crystal. It is superior in determination of phase matching conditions and the spatial distribution of entangled photons..

Keywords

Monolithic symmetry, Angle-dependent refractive index, SPDC, Nonlinear biaxial crystal.

Submitted at: July 21, 2014
Accepted at: Jan. 21, 2015

Citation

G. HUO, M. ZHANG, Monolithic symmetry effect on optimizing the phase matching parameters of a biaxial crystal for spontaneous parametric down conversion, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 1-2, pp. 116-121 (2015)