期刊
IEEE JOURNAL OF QUANTUM ELECTRONICS
卷 41, 期 4, 页码 483-489出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JQE.2005.843923
关键词
laser diodes; optical feedback; polarization control; polarization switching; semiconductor lasers; vertical-cavity surface-emitting lasers (VCSELs)
We study theoretically the effect of isotropic and polarization-selective optical feedback on the polarization switching of vertical -cavity surface-emitting lasers. We use the framework of the spin-flip model that takes into account the spin degree of freedom of carriers in the semiconductor quantum well. We analyze the polarization switching dynamics for different values of the spin relaxation rate and find a good agreement with recent experimental results [5]. We also study the influence of the external cavity length and find different dynamical behaviors for short and long external cavities.
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