Optical EngineeringDesign of semiconductor laser resonator mirrors for optimal second-harmonic generation
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The waveguide second-harmonic generation is a reliable mechanism for frequency doubling of laser emission since light can be highly confined to a nonlinear waveguiding medium, besides being compatible with current present semiconductor and solid state lasers. An optimization is achieved based on designing the resonator mirror reflectivity at the fundamental and the second-harmonic wavelengths to obtain optimal trapping and optical losses of the fundamental and the second-harmonic waves inside the resonator.