Self-consistent calculation of two-dimensional diffusion equation for a modal gain analysis of lasing modes in cylindrical VCSELs

Chi Hung Chong; Jayanta Sarma

doi:10.1117/12.178529

30 June 1994 Self-consistent calculation of two-dimensional diffusion equation for a modal gain analysis of lasing modes in cylindrical VCSELs

Chi Hung Chong, Jayanta Sarma

Author Affiliations +

Proceedings Volume 2146, Physics and Simulation of Optoelectronic Devices II; (1994) https://doi.org/10.1117/12.178529
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

A circular cylinder resonator modal analysis is applied to vertical cavity surface emitting lasers to obtain a resonance mode chart to identify possible lasing spectra. For the first time a 2D/ (radial and azimuthal) calculation of the inversion population distribution in the device is done, inclusive of current spreading, carrier diffusion, (bimolecular) spontaneous recombination, and stimulated recombination to account for above- threshold operation. Analysis of corresponding modal gain competition is used to indicate possible lasing mode selection.

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Chi Hung Chong and Jayanta Sarma "Self-consistent calculation of two-dimensional diffusion equation for a modal gain analysis of lasing modes in cylindrical VCSELs", Proc. SPIE 2146, Physics and Simulation of Optoelectronic Devices II, (30 June 1994); https://doi.org/10.1117/12.178529

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