Continuous wave second-harmonic generation using domain-disordered quasi-phase matching waveguides

Wagner, Sean J.; Holmes, Barry M.; Younis, Usman; Helmy, Amr S.; Aitchison, J. Stewart; Hutchings, David C.
April 2009
Applied Physics Letters;4/13/2009, Vol. 94 Issue 15, p151107
Academic Journal
Second-harmonic generation in domain-disordered quasi-phase-matched GaAs/AlGaAs superlattice-core waveguides was demonstrated using a continuous wave fundamental source. Output second-harmonic powers of up to 1.6 μW were measured when on a Fabry-Pérot resonance peak. Temperature-related bistable behavior was observed in both the fundamental and second-harmonic output when tuning either the input power or input wavelength.


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