Low-frequency pulsations in the output intensity and multimode operations of GaAs-AIGaAs C.W. diode laser coupled to an external dispersive cavity.
- 1 January 1979
- journal article
- Published by Institution of Engineering and Technology (IET) in IEE Journal on Solidstate and Electron Devices
- Vol. 3 (3) , 72-74
- https://doi.org/10.1049/ij-ssed.1979.0017
Abstract
A 4 mW tunable C.W. single-frequency operation of a diode laser coupled to an external dispersive cavity has been achieved at 300° K. With the appearance of low-frequency pulsations (l.f.p.) at the laser output the single-frequency oscillation is eliminated. The l.f.p. give rise to a few longitudinal modes of the external cavity. On the basis of self focusing a model for l.f.p. phenomenon is proposedKeywords
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