All-optical technique for stabilization of an external cavity laser diode: numerical and experimental demonstrations

Fabien Rogister; David W. Sukow; Patrice Megret; Olivier Deparis; Athanasios Gavrielides; Michel Blondel

doi:10.1117/12.391458

14 July 2000 All-optical technique for stabilization of an external cavity laser diode: numerical and experimental demonstrations

Fabien Rogister, David W. Sukow, Patrice Megret, Olivier Deparis, Athanasios Gavrielides, Michel Blondel

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Proceedings Volume 3944, Physics and Simulation of Optoelectronic Devices VIII; (2000) https://doi.org/10.1117/12.391458
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

Abstract

We demonstrate numerically and experimentally that low- frequency fluctuations (LFF) in a laser diode subject to delayed optical feedback can be suppressed or stabilized by a second optical feedback with a short delay. The second feedback suppresses LFF by shifting antimodes far away from the external cavity modes in phase space, or by making them disappear, with the consequence that the crises that induce the power dropouts are no longer possible. Moreover, as the second feedback strength increases, the laser undergoes a bifurcation cascade with successive regions where it exhibits chaos or LFF and regions where it locks to a newly-born stable maximum gain mode. This all-optical stabilization technique is easier to implement from an experimental point of view than many existing methods since it does not require modification of any laser parameters or of the first optical feedback.

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Fabien Rogister, David W. Sukow, Patrice Megret, Olivier Deparis, Athanasios Gavrielides, and Michel Blondel "All-optical technique for stabilization of an external cavity laser diode: numerical and experimental demonstrations", Proc. SPIE 3944, Physics and Simulation of Optoelectronic Devices VIII, (14 July 2000); https://doi.org/10.1117/12.391458

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KEYWORDS

Semiconductor lasers

Laser stabilization

Laser damage threshold

Chlorine

Quantum cascade lasers

Chaos

Singular optics

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