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1 Opto-Electronics Review

1 2003

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New mid-infrared optical sources based on isotropic semiconductors (zinc selenide and gallium arsenide) using total internal reflection quasi-phase-matching

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Haidar R. , Kupecek P. , Rosencher E. , Triboulet R. , Lemasson P.

Opto-Electronics Review

2003

tom Vol. 11, No. 2

155-160

The French aerospace agency is involved in the realization of compact solid-state coherent sources, such as optical parametric oscillators (OPO), using new materials, such as highly non-linearly efficient semiconductors (ZnSe, GaAs or InP). However, since these materials are optically isotropic, they require new phase-matching techniques. We report the quasi - phase matched difference frequency generation in isotropic semiconductors using total internal reflection. We made use of large Fresnel birefringence at reflection between the signal and idler wave outputs of an OPO. Large tunability (between 8 and 13 um) is demonstrated. Agreement between theoretical expectation and experimental results is excellent.