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Role of optical flux and of current density in gradual degradation of GaAs injection lasers

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1 Author(s)
Byer, N. ; RCA Laboratories, Princeton, NJ, USA

A GaAs dual-diode laser structure was used to give electrical control of the laser threshold and so permit separate study of the effect of optical flux on gradual degradation. At a given current density, degradation occurs under nonlasing conditions at about the same rate as under normal lasing conditions. The degradation rate is a superlinear function of current density. Degradation is an erratic process in which the rate varies sporadically during operation.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:5 ,  Issue: 5 )