Effect of nonlinear gain on modulation dynamics in quantum-well lasers
- 19 January 1989
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 25 (2) , 169-170
- https://doi.org/10.1049/el:19890122
Abstract
The nonlinear gain of quantum-well lasers is discussed theoretically. The results indicate that the nonlinear gain is enhanced by the quantum confinement of carriers. In addition, it is found that this nonlinear gain significantly reduces the differential gain, which results in degradation of modulation dynamics of lasers under a high photon density condition.Keywords
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