Intrinsic instabilities in narrow stripe geometry lasers caused by lateral current spreading
- 1 May 1981
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Quantum Electronics
- Vol. 17 (5) , 723-731
- https://doi.org/10.1109/jqe.1981.1071165
Abstract
Lateral current spreading in an otherwise perfectly homogeneous narrow stripe geometry laser causes spontaneous oscillations when the device is operating at the appropriate current level. Such intrinsic instabilities are also influenced by diffusion and by the transverse variation of the carrier lifetime. In this paper, the above intrinsic mechanism is discussed on the basis of a simple model consisting of an active slab waveguide with time varying parameters and upon application of a stability analysis.Keywords
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