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Coherence of a single mode InAlGaAs/InP cylinderical microlaser with two output ports

机译:具有两个输出端口的单模InAlGaAs / InP圆柱微激光的相干性

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摘要

We experimentally investigate the coherence of a single mode InAlGaAs/InP cylindrical microlaser with two output waveguides. For a cylindrical microlaser with a radius of 15 (mu)m and two 2 (mu)m-wide output waveguides, single mode operation with a side mode suppression ratio of 30 dB is realized, and a far-field interferometric pattern similar to a Young's interferometer is observed. The results indicate that the microlasers with two output waveguides can be used as the light source for an optical sensor by monitoring the phase change of the output emission from one port versus that of the other port.
机译:我们实验研究具有两个输出波导的单模InAlGaAs / InP圆柱形微激光器的相干性。对于半径为15μm的圆柱形微激光器和两个2μm宽的输出波导,可实现侧模抑制比为30 dB的单模运行,并且类似于观察到杨氏干涉仪。结果表明,通过监视一个端口的输出发射与另一端口的输出发射的相位变化,可以将具有两个输出波导的微激光器用作光学传感器的光源。

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