Transverse and polarization mode selection in VCSELs

Josep Mulet; Claudio R. Mirasso; Salvador Balle; Maxi San Miguel

doi:10.1117/12.432559

9 July 2001 Transverse and polarization mode selection in VCSELs

Josep Mulet, Claudio R. Mirasso, Salvador Balle, Maxi San Miguel

Proceedings Volume 4283, Physics and Simulation of Optoelectronic Devices IX; (2001) https://doi.org/10.1117/12.432559
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

We develop a mesoscopic model of semiconductor dynamics for vertical-cavity surface-emitting lasers which allows us to describe polarization and transverse mode dynamics simultaneously. Within this model, we study the selection processes and the turn-on delay for the switch-on of different transverse modes in gain-guided VCSELs. We consider different active-region diameters, excitation conditions and current shapes. Following the application of the current pulse, transverse modes become excited in a quite definite sequence. After the turn-on, the VCSEL initially switches-on in the fundamental transverse mode, but higher-order transverse modes become excited later. In general, the results obtained are in qualitative agreement with experiments reported recently. Finally, we discuss the current shape dependence on the transverse mode selection at threshold.

Citation Download Citation

Josep Mulet, Claudio R. Mirasso, Salvador Balle, and Maxi San Miguel "Transverse and polarization mode selection in VCSELs", Proc. SPIE 4283, Physics and Simulation of Optoelectronic Devices IX, (9 July 2001); https://doi.org/10.1117/12.432559

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