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General model for a multimode Nd-doped fiber laser. II: Steady-state analysis of length-dependent polarization effects

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Abstract.

We present a steady-state analysis of a general model for a bipolarized Nd-doped fiber laser including the slow longitudinal variations of the dynamical variables. The combined effects of pump-induced, distributed, and localized anisotropies are studied versus the fiber length. In particular, the evolution of the thresholds versus the pump-input polarization angle, for different fiber lengths, is investigated in depth. Approximate analytical results are derived for the thresholds and the output intensities. A good agreement with the numerical simulations is achieved in a large range of parameters.

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Authors and Affiliations

  1. Groupe d’Optique et d’Optronique, CORIA UMR 6614, Université de Rouen, Place Emile Blondel, 76821 Mont-Saint-Aignan Cedex, France (Fax: +33-2/3570-8384, E-mail: name@coria.fr), , , , , , FR

    T. Chartier & F. Sanchez

  2. ENSSAT, Laboratoire d’Optronique, équipe associée au CNRS (UPRESA 6082), 6, rue de Kérampont, B.P.447, 22305 Lannion Cedex, France (Fax: +33-2/9637-0199, E-mail: stephan@enssat.fr), , , , , , FR

    G. Stéphan

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  1. T. Chartier
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  2. F. Sanchez
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  3. G. Stéphan
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Received: 9 November 1998 / Revised version: 26 April 1999 / Published online: 30 November 1999

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Chartier, T., Sanchez, F. & Stéphan, G. General model for a multimode Nd-doped fiber laser. II: Steady-state analysis of length-dependent polarization effects . Appl Phys B 70, 33–43 (2000). https://doi.org/10.1007/s003400050005

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  • DOI: https://doi.org/10.1007/s003400050005

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