Phase matched second harmonic generation using thin film ZnTe optical waveguides
- 15 April 1995
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 77 (8) , 3637-3640
- https://doi.org/10.1063/1.358600
Abstract
Wide gap II-VI semiconductors have strong second order susceptibilities χ(2) and are therefore promising materials for efficient second harmonic generation. We have grown high quality single crystalline ZnSe/ZnTe/ZnSe/GaAs (001) waveguides by metalorganic-vapor-phase-epitaxy. Using end-fire coupling we observe a phase matched signal of the 1170.5 nm fundamental wave. The fundamental beam is generated by a tuneable KTP optical-parametric-oscillator pumped by a ps-Ti:sapphire laser system. Phase matching is achieved by coupling the TE0 fundamental mode with the TM2 second harmonic mode within the symmetric ZnTe waveguide.This publication has 16 references indexed in Scilit:
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