Vol. 19, issue 11, article # 14

Anfimova E.A., Geiko P.P., Shandarov S.M. Periodically poled nonlinear crystals for parametric light generation. // Atmospheric and oceanic optics. 2006. V. 19. No. 11. P. 891-894.
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Abstract:

Periodically poled nonlinear crystals (PPNC crystals) with quasi-phase-matching enable efficient generation of a broadband tunable infrared radiation. It is the key property of the PPNC crystals that any constraints on the polarization of interacting waves are removed. Besides, quasi-phase-matching is realizable along any direction with respect to crystal optical axes, which allows maximizing efficient nonlinearity and fitting the domain period to an optimal value. The calculated results are presented on the realization of quasi-phase-matching wave interaction in GaAs, LiNbO3, KNbO4, CsTiOAsO3, LiTaO3, and other crystals as well as periods of nonlinear susceptibility modulation.

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