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Published August 15, 1972 | public
Journal Article Open

Phase-matchable nonlinear optical interactions in periodic thin films

Abstract

A proposal for a new method of phase matching in nonlinear optical interactions is made. A periodic perturbation of the surface of a thin-film waveguide generates space harmonics with new propagation constants which can be phase matched. An analysis of this proposal shows it to be particularly interesting for a class of thin-film nonlinear devices using the cubic optically isotropic semiconductors (such as GaAs, GaP, etc.) which possess high nonlinear optical coefficients but are not phase matchable by the conventional birefringent techniques.

Additional Information

© 1972 American Institute of Physics. Received 17 March 1972. Work supported by the Office of Naval Research and by the Army Research Office, Durham, N.C.

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August 22, 2023
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