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Proceedings Paper

Efficient acousto-optically phase-matched noncollinear optical second-harmonic generation in tellurium
Author(s): Dominique Jacques Souilhac; Dominique Billerey
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Paper Abstract

Two kinds of practical efficient acoustooptically phase-matched noncollinear second harmonic generation (SHG) interactions are predicted in Tellurium for the incident optical wave at 10.6µm .They are produced by two anisotropic acoustooptic. (AO)interactions in which the normal to the AO interaction plane is offset of 10° with respect to the optical (Z)a.xis . For X-propagating slow shear acoustic wave, a high AO figure of merit is predicted, presenting a low optic absorption in Tellurium. The first SHG wave is interpreted as being due to mixing of the incident optical ave and the acoustooptically scattered wave. The other SHG is observed due to mixing of the two acoustooptically scattered waves. It is shovm from absolute SHG calculations and corresponding SHG measurements previously reported in Te, that the nonlinear optical coefficient which governs these high efficiency SHG interactions is d = 65x10-11m/V . 11 Tbe corresponding SHG efficiencies of these anisotropic diffraction geometries are about x6 and x 5 times respectively larger than the previously reported AO phase-matched noncollinear SHG in Te, for the same input and acoustic power. A comparison is made with the next best ex<2 materials like the cbalcogenide compounds (Tl.3Asse3), proustite (AgGaSe3); Gallium .Arsenic (GaAs) and CdGeAs2.

Paper Details

Date Published: 23 July 1993
PDF: 17 pages
Proc. SPIE 1852, Nonlinear Optical Properties of Advanced Materials, (23 July 1993); doi: 10.1117/12.148441
Show Author Affiliations
Dominique Jacques Souilhac, Institut National Polytechnique de Lorraine (France)
Dominique Billerey, Institut National Polytechnique de Lorraine (France)

Published in SPIE Proceedings Vol. 1852:
Nonlinear Optical Properties of Advanced Materials
Shahab Etemad, Editor(s)

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