Combined effects of semiconductor gain dynamics, spin dynamics, and thermal shift in polarization selection in VCSELs

Maxi San Miguel; Salvador Balle; Josep Mulet; Claudio R. Mirasso; E. Tolkachova; Jorge R. Tredicce

doi:10.1117/12.391426

14 July 2000 Combined effects of semiconductor gain dynamics, spin dynamics, and thermal shift in polarization selection in VCSELs

Maxi San Miguel, Salvador Balle, Josep Mulet, Claudio R. Mirasso, E. Tolkachova, Jorge R. Tredicce

Author Affiliations +

Proceedings Volume 3944, Physics and Simulation of Optoelectronic Devices VIII; (2000) https://doi.org/10.1117/12.391426
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

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.

Citation Download Citation

Maxi San Miguel, Salvador Balle, Josep Mulet, Claudio R. Mirasso, E. Tolkachova, and Jorge R. Tredicce "Combined effects of semiconductor gain dynamics, spin dynamics, and thermal shift in polarization selection in VCSELs", Proc. SPIE 3944, Physics and Simulation of Optoelectronic Devices VIII, (14 July 2000); https://doi.org/10.1117/12.391426

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