Contribution of spontaneous emission to the linewidth of an injection-locked semiconductor laser
- 4 July 1985
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 21 (14) , 626-628
- https://doi.org/10.1049/el:19850443
Abstract
We show that the spontaneous emission inside an injection-locked semiconductor laser does not alter the lasing field. For injection at the free-running frequency, the linewidth is only governed by the injected-field phase noise and may no longer follow the Schawlow-Townes dependence on emitted optical power.Keywords
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