Study of an actively Q-switch erbium-doped fiber laser in symmetric configuration

Yu. O. Barmenkov; S. A. Kolpakov; A. D. Guzman-Chavez; A. V. Kir'yanov; M. V. Andres; A. Diez; J. L. Cruz

doi:10.1117/12.901238

25 October 2011 Study of an actively Q-switch erbium-doped fiber laser in symmetric configuration

Yu. O. Barmenkov, S. A. Kolpakov, A. D. Guzman-Chavez, A. V. Kir'yanov, M. V. Andres, A. Diez, J. L. Cruz

Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 801149 (2011) https://doi.org/10.1117/12.901238
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

Abstract

In this paper, we present the results of theoretical and experimental study of the actively Q-switched erbium-doped fiber laser realized in symmetric configuration. We extend the traveling wave model to this type of fiber lasers and show that such laser permits one to obtain easily the short giant pulses (17 ns on 3 dB level) with small adjacent subpulses. Our model accounts all point losses including loss on the fiber splices and other intra-cavity devices and also the distributed losses such as the active fiber background loss and loss owing to excited state absorption observed in erbium-doped fibers. We compare the experimental data with the modeling results and reveal their good matching, once the laser parameters are properly accounted in the model.

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Yu. O. Barmenkov, S. A. Kolpakov, A. D. Guzman-Chavez, A. V. Kir'yanov, M. V. Andres, A. Diez, and J. L. Cruz "Study of an actively Q-switch erbium-doped fiber laser in symmetric configuration", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 801149 (25 October 2011); https://doi.org/10.1117/12.901238

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KEYWORDS

Q switching

Bragg cells

Fiber lasers

Absorption

Q switched lasers

Data modeling

Q switched fiber lasers

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