Published In

Journal of Applied Physics

Document Type

Article

Publication Date

12-1-1975

Subjects

Semiconductor lasers -- Mathematical models, Semiconductor diodes -- Mathematical models

Abstract

The oscillation characteristics of a multimode laser are considered in detail, and for the first time saturation by all of the cavity modes is included. Analytical expressions are obtained for the mode amplitudes, linewidths, and over‐all spectral characteristics of lasers operating above and below threshold. It is found that with increasing excitation the spontaneous emission spectrum is gradually resolved into a set of narrow discrete modes. Slightly above threshold the number of modes reduces in a homogeneoulsy broadened laser until only a single mode is oscillating strongly. The theoretical results are in agreement with experimental data that have been reported using semiconductor lasers. With inhomogeneous broadening the spectral width goes through a minimum near threshold.

Description

This is the publisher's final pdf. Article appears in Journal of Applied Physics (http://jap.aip.org/) and is copyrighted 1975 by the American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

Persistent Identifier

http://archives.pdx.edu/ds/psu/8206

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