Two-loop feedback controlled laser: new possibilities for ultrashort-pulse generation and high-level stabilization

M. V. Gorbunkov; Y. V. Shabalin

doi:10.1117/12.475948

24 July 2002 Two-loop feedback controlled laser: new possibilities for ultrashort-pulse generation and high-level stabilization

M. V. Gorbunkov, Y. V. Shabalin

Author Affiliations +

Proceedings Volume 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems; (2002) https://doi.org/10.1117/12.475948
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

In this paper we report the new two-loop feedback stabilization system allowing stable operation of both continuous and pulse lasers in wide range of active media gain and resonator Q. Different combinations of negative and positive feedback loops were investigated. Negative one round-trip time T_r delayed and positive 2T_r delayed feedback loops combination was found to provide the extremely large stability zone. In self-mode-locked laser, such combination leads to the significant laser pulse shortening.

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M. V. Gorbunkov and Y. V. Shabalin "Two-loop feedback controlled laser: new possibilities for ultrashort-pulse generation and high-level stabilization", Proc. SPIE 4751, ICONO 2001: Nonlinear Optical Phenomena and Nonlinear Dynamics of Optical Systems, (24 July 2002); https://doi.org/10.1117/12.475948

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