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Polarization mode selection by distributed Bragg reflector in a quantum well laser
Polarization mode selection by distributed Bragg reflector in a quantum well laser
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机译:量子阱激光器中分布式布拉格反射器的偏振模式选择
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摘要
In a quantum well semiconductor laser structure, a distributed Bragg reflector is used to select the polarization mode of the emitted light beam. The period of the distributed Bragg reflector matches the peak gain of one polarization mode providing optical feedback for that mode to be the light emitted. The distributed Bragg reflector can extend along the length of the active layer within the semiconductor structure or extend at one end of the active layer external to the semiconductor structure.
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