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First Order Quasi-Phase-Matched Second-Harmonic Generation in LiTaO3 Utilizing a Periodic Domain Inversion Created by an External Stress

Published online by Cambridge University Press:  15 February 2011

Thomas A. Strasser  and
Rishi Raj
Thomas A. Strasser
Affiliation:
Cornell University, Department of Materials Science and Engineering, Ithaca, NY, 14853
Rishi Raj
Affiliation:
Cornell University, Department of Materials Science and Engineering, Ithaca, NY, 14853
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Abstract

First order quasi-phase-matching in a proton exchanged LiTaO3 channel waveguide structure is reported, where the periodic domain inversion is created by the application of a periodic compressive stress near the Curie temperature. The processing conditions, driving force, and effects on resulting domain structure is reported, including the observation of domain structures with periods as small as 0.36 μm. A waveguide second-harmonic generation structure with a periodic 3.45 μm domain inversion structure is fabricated and evaluated to quasi-phase-match 420 nm blue light with 840 nm output available from standard laser diode sources.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 329: Symposium R – New Materials for Advanced Solid State Lasers , 1993 , 147
Copyright
Copyright © Materials Research Society 1994

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