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Proceedings Paper

Frequency conversion in regular and stochastic quasi-phase matched structures
Author(s): Z. D. Genchev
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Paper Abstract

The influence of disordering of one-dimensional quasi-phase matched structures in nonlinear optical crystals on spectral characteristics of parametric processes is studied. Two different correlation functions are introduced for describing the random change of the sign of the second-order nonlinear susceptibility. The optimal conditions for quasi-phase matching of the interacting waves are found. The second aim of the paper is the investigation of important features of spontaneous parametric down-conversion (SPDC) in a homogeneous nonlinear slabs with emphasis of spatial inhomogeneity of interacting waves (in paraxial approximation). We estimate the absolute values of the emission rate of photon pairs produced by SPDC when all fields are in single Gaussian modes.

Paper Details

Date Published: 11 November 2009
PDF: 12 pages
Proc. SPIE 7501, International Conference on Ultrafast and Nonlinear Optics 2009, 75010T (11 November 2009); doi: 10.1117/12.848026
Show Author Affiliations
Z. D. Genchev, Institute of Electronics (Bulgaria)

Published in SPIE Proceedings Vol. 7501:
International Conference on Ultrafast and Nonlinear Optics 2009
Solomon M. Saltiel; Alexander A. Dreischuh; Ivan P. Christov, Editor(s)

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