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Integrated wavelength stabilization of in-plane semiconductor lasers by use of a dual-grating reflector

机译:通过使用双光栅反射器实现面内半导体激光器的集成波长稳定化

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摘要

We summarize a novel integrated wavelength-stabilization scheme for broad stripe surface-emitting lasers. The method is based on two gratings fabricated on opposite sides of a device in which the first grating disperses light through the substrate to the opposite side, where the second surface has a feedback grating that operates under total internal reflection and in the Littrow condition to provide feedback into the gain medium. Experimental results have been obtained for both high power and a narrow linewidth, showing a CW slope of 0.85 W/A.
机译:我们总结了宽带表面发射激光器的新型集成波长稳定方案。该方法基于在设备的相对侧上制造的两个光栅,其中第一光栅将光通过基板分散到相对侧,其中第二表面具有反馈光栅,该反馈光栅在全内反射下并在Littrow条件下工作以提供反馈到增益介质中。对于高功率和窄线宽都获得了实验结果,其CW斜率为0.85 W / A。

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