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Visible laser light is needed for a number of applications including life science and laser projection displays. To produce red light from a semiconductor disk laser (SDL) via frequency doubling, laser should generate light around the wavelength of 1.2 μm. This spectral range is challenging with typically used InGaAs and GaAs structures due to an increased lattice mismatch between the two materials. We report a novel approach based on a wafer fused optically-pumped semiconductor disk laser operating at 1.2 μm. This technique allows integrating materials with different lattice constants and provides convenient means to extend the operation wavelength of an SDL [1].
© 2009 IEEE
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