Low loss orientation-patterned AlGaAs waveguides for quasi phase matched second harmonic generation

Xiaojun Yu; Luigi Scaccabarozzi; Angie C Lin; Jun-xian Fu; Paulina S Kuo; Martin M Fejer; James S Harris

doi:10.1117/12.647241

10 February 2006 Low loss orientation-patterned AlGaAs waveguides for quasi phase matched second harmonic generation

Xiaojun Yu, Luigi Scaccabarozzi, Angie C Lin, Jun-xian Fu, Paulina S Kuo, Martin M Fejer, James S Harris

Proceedings Volume 6103, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications V; 61030N (2006) https://doi.org/10.1117/12.647241
Event: Lasers and Applications in Science and Engineering, 2006, San Jose, California, United States

Abstract

We have demonstrated all-epitaxially fabricated orientation-patterned AlGaAs waveguides with reduced waveguide core corrugation for the quasi-phase-matched second harmonic generation (SHG) pumped at 1.55 μm. The attenuation coefficient is measured to be ~4.5 dB/m at 1.55 μm, and ~9.7 dB/cm at 780 nm. The conversion efficiency at continuous wave operation is 43%W^-1 with an 8-mm long waveguide.

Citation Download Citation

Xiaojun Yu, Luigi Scaccabarozzi, Angie C Lin, Jun-xian Fu, Paulina S Kuo, Martin M Fejer, and James S Harris "Low loss orientation-patterned AlGaAs waveguides for quasi phase matched second harmonic generation", Proc. SPIE 6103, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications V, 61030N (10 February 2006); https://doi.org/10.1117/12.647241

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