10 February 2006 Low loss orientation-patterned AlGaAs waveguides for quasi phase matched second harmonic generation
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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.
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Xiaojun Yu, Xiaojun Yu, Luigi Scaccabarozzi, Luigi Scaccabarozzi, Angie C Lin, Angie C Lin, Jun-xian Fu, Jun-xian Fu, Paulina S Kuo, Paulina S Kuo, Martin M Fejer, Martin M Fejer, James S Harris, 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); doi: 10.1117/12.647241; https://doi.org/10.1117/12.647241
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