Novel optical materials/structure and applications (4)

[ALPS15-04] Second-Harmonic Generation in Heteroepitaxially-Grown OP-GaAs_0.75P_0.25

Li Wang¹, Shivashankar R Vangala², Stefan Popien³, Marcus Beutler³, James Matthew Mann², Vladimir L Tassev², Edlef Büttner³, *Valentin Petrov¹ (1. Max Born Institute for Nonlinear Optics and Ultrafast Spectroscopy, 2. Air Force Research Laboratory, 3. APE Angewandte Physik und Elektronik GmbH)

Second-harmonic generation using femtosecond pulses at 5.5 µm with a repetition rate of 80 MHz is demonstrated in orientation-patterned GaAs_0.75P_0.25 grown by hydride vapor phase epitaxy on a GaAs template.