A Single Mode980 nm In Ga As/Ga As/Al Ga As Large Optical Cavity Quantum Well Laser with Low Vertical Divergence Angle
小垂直发散角大光腔980nm单模InGaAs/GaAs/AlGaAs量子阱激光器(英文)

Keywords: semiconductor laser,quantum well,large optical cavity,waveguide,ridge waveguide
半导体激光器,量子阱,大光腔,波导,脊形波导

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Abstract:

通过采用经过优化的新型大光腔结构 ,脊形波导 980 nm单模 In Ga As/Ga As/Al Ga As多量子阱半导体激光器在保持大功率光输出的同时获得了较小的垂直发散角 .结果表明波导中的光功率密度可以降低 ,获得了大于40 0 m W、斜率效率 0 .89W/A的输出光功率 ,垂直方向远场发散角也降低到 2 3°

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