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1. Longitudinal mode behavior and tunability of separately pumped (GaAl)As lasers.

Author

Fang, Zu-Jie and Wang, Shyh

Subjects
*ARSENIC, *LASERS, *ELECTRONIC modulation, *WAVELENGTHS, *OPTICAL fiber communication
Abstract

A three-segment laser, when separately pumped, shows both frequency switching and continuous tuning with a modulation current applied to the middle segment. The wavelength changes are attributed to gain peak shift with the carrier concentration and carrier-induced index change. A total wavelength change of 61 Å, a continuous tuning range of 4.1 Å, and a tuning rate of -0.74 Å/mA are obtained. The laser may be useful in optical FM fiber communication. [ABSTRACT FROM AUTHOR]

Published
1984
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