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Title: | Combined effects of semiconductor gain dynamics, spin dynamics and thermal shift in polarization selection in VCSELs |
Authors: | San Miguel, Maxi ![]() ![]() ![]() |
Issue Date: | 14-Jul-2000 |
Publisher: | The International Society for Optics and Photonics |
Citation: | Physics and Simulation of Optoelectronic Devices VIII: 3944, 242-251 (2000) |
Series: | SPIE Proceedings 3944 |
Abstract: | We discuss mechanisms of polarization switching (PS) in Vertical Cavity Surface Emitting Lasers (VCSELs) within a mesoscopic approach based on an explicit form of a frequency- dependent complex susceptibility of the QW semi-conductor material. Cavity anisotropies, spin carrier dynamics and thermal shift of the gain curve are also taken into account in this framework. For large birefringence we find a PS due to thermal shift. For small birefringence we find a different PS, from the high-gain to the low-gain polarization state, that occurs at constant temperature. We characterize polarization partition noise in terms of power spectra. Transverse effects for PS in gain guided VCSELs are also considered. |
Publisher version (URL): | http://dx.doi.org/10.1117/12.391426 |
URI: | http://hdl.handle.net/10261/56178 |
DOI: | 10.1117/12.391426 |
Appears in Collections: | (IMEDEA) Libros y partes de libros |
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