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Optics Letters

Optics Letters

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  • Vol. 24, Iss. 18 — Sep. 15, 1999
  • pp: 1275–1277

Statistical properties of low-frequency fluctuations during single-mode operation in distributed-feedback lasers: experiments and modeling

Tilmann Heil, Ingo Fischer, Wolfgang ElÃÂssser, Josep Mulet, and Claudio R. Mirasso  »View Author Affiliations


Optics Letters, Vol. 24, Issue 18, pp. 1275-1277 (1999)
http://dx.doi.org/10.1364/OL.24.001275


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Abstract

Extensive experimental and numerical investigations of feedback-induced instabilities in single-mode distributed-feedback lasers are presented that confirm the basic assumptions of the Lang–Kobayashi model. We give experimental evidence of the occurrence of low-frequency fluctuation (LFF), alternation between LFF and stable emission, and coherence collapse during single-mode operation of the laser. We have obtained quantitative agreement between modeling and experiment in long-time statistical investigations of the time intervals between subsequent LFF dropouts. In particular, we show that even the dependence of the dynamics on the injection current, which results in a scaling law, is quantitatively identical in modeling and experiment.

© 1999 Optical Society of America

OCIS Codes
(140.1540) Lasers and laser optics : Chaos
(140.5960) Lasers and laser optics : Semiconductor lasers

Citation
Tilmann Heil, Ingo Fischer, Wolfgang ElÃÂssser, Josep Mulet, and Claudio R. Mirasso, "Statistical properties of low-frequency fluctuations during single-mode operation in distributed-feedback lasers: experiments and modeling," Opt. Lett. 24, 1275-1277 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-18-1275

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