Temperature dependence of the spontaneous emission factor in microcavities

Desi M. Ramoo; Michael J. Adams

doi:10.1117/12.470512

12 June 2002 Temperature dependence of the spontaneous emission factor in microcavities

Desi M. Ramoo, Michael J. Adams

Proceedings Volume 4646, Physics and Simulation of Optoelectronic Devices X; (2002) https://doi.org/10.1117/12.470512
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

In the literature, theoretical studies have indicated the quantisation of optical modes by cavity confinement may lead to enhancement of spontaneous emission factor (beta) . Placement of a radiating system within a cavity with a dimension the order of one wavelength alters the number of allowed optical modes to which photons couple. However, this does not guarantee enhancement. A typical semiconductor laser will be required to operate over a temperature range of at least 80 degree(s)C. Here we model the confinement of a radiating source between two DBR mirrors forming a planar microcavity and consider (beta) as a function of temperature where we use a calculated temperature dependent emission line, which the authors believe to be the first investigation including cavity effects. The results show that at threshold (beta) has a broad maximum with increasing temperature.

Citation Download Citation

Desi M. Ramoo and Michael J. Adams "Temperature dependence of the spontaneous emission factor in microcavities", Proc. SPIE 4646, Physics and Simulation of Optoelectronic Devices X, (12 June 2002); https://doi.org/10.1117/12.470512

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