Effective bandwidth for FM noise suppression in an injection-locked semiconductor laser
- 21 November 1985
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 21 (24) , 1173-1175
- https://doi.org/10.1049/el:19850830
Abstract
We present an analytical expression for the FM noise spectrum of an injection-locked semiconductor laser, taking the α-parameter into account. Under the phase-matched condition the FM noise is shown to be suppressed in an effective bandwidth equal to the locking half-width ΔωL0 for α=0. The effective bandwidth can be made larger by increasing the phase delay of the slave laser, but at the expense of a higher resonance peak.Keywords
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