Dynamical instabilities in a CO2 laser with an externally modulated optical feedback

Emmanuil M. Rabinovich; Jacek M. Kowalski; Chris L. Littler; Anna P. Bystrik; J. Prasad; Bruce J. West

doi:10.1117/12.276190

10 June 1997 Dynamical instabilities in a CO₂ laser with an externally modulated optical feedback

Emmanuil M. Rabinovich, Jacek M. Kowalski, Chris L. Littler, Anna P. Bystrik, J. Prasad, Bruce J. West

Proceedings Volume 3177, CIS Selected Papers Nonlinear Dynamics of Laser and Optical Systems; (1997) https://doi.org/10.1117/12.276190
Event: Nonlinear Dynamics of Laser and Optical Systems, 1997, Russia, Russian Federation

Abstract

CO₂ lasers are very sensitive to optical feedback and can be driven into a large variety of dynamical states by an external modulation of the feedback parameters. We report on the experimental results concerning instabilities of CO₂ lasers induced by either an additional passive resonator of periodically varying geometrical length or an refractive index modulation in the external cavity by an electro- optical modulator. Experimental results show the presence of stable periodic orbits of different periods, bistability of periodic orbits and chaotic attractors with complex transition scenarios.

Citation Download Citation

Emmanuil M. Rabinovich, Jacek M. Kowalski, Chris L. Littler, Anna P. Bystrik, J. Prasad, and Bruce J. West "Dynamical instabilities in a CO₂ laser with an externally modulated optical feedback", Proc. SPIE 3177, CIS Selected Papers Nonlinear Dynamics of Laser and Optical Systems, (10 June 1997); https://doi.org/10.1117/12.276190

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