Nonlinear effects in picosecond high-power diode lasers
- 1 January 1991
- proceedings article
- Published by AIP Publishing in AIP Conference Proceedings
- Vol. 240 (1) , 58-66
- https://doi.org/10.1063/1.41365
Abstract
Dynamic properties of semiconductor laser diodes with fast intracavity saturable absorber are studied theoretically and experimentally. It is shown that passive Q‐switching in such lasers produces picosecond optical pulses of very high intensity. Thus, gain nonlinearities greatly affect the properties of the lasers, leading to considerable reduction of self‐pulsing current range, maximum optical pulse intensity, and repetition frequency obtainable. This effect is most pronounced for the shortest absorber relaxation times. Transient laser emission pictures observed experimentally are in reasonable agreement with the simulated results.Keywords
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