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Published on: August 2, 2019
Type-II quasi phase matching in periodically intermixed semiconductor superlattice waveguides
David C Hutchings1, Sean J Wagner, Barry M Holmes
1Department of Electronics and Electrical Engineering, University of Glasgow, Glasgow, G12 8QQ, Scotland, UK. D.Hutchings@elec.gla.ac.uk
Optics Letters
|April 23, 2010
Abstract:
Second-harmonic generation using the type-II polarization configuration is demonstrated in quasi-phase-matched GaAs radicalAlGaAs superlattice waveguides. Phase-matching wavelengths and conversion efficiencies were determined for several quasi-phase-matching periods using 1.9 ps pulses. Saturation effects at high input power were concluded to be the result of third-order nonlinear effects.

