Dynamics of a vectorial neodymium-doped fiber laser passively Q-switched by a polymer-based saturable absorber

Gilles Martel; B. Ortac; Thierry Chartier; Jean-Michel Nunzi; Georges Boudebs; Francois Sanchez

doi:10.1117/12.498509

8 July 2003 Dynamics of a vectorial neodymium-doped fiber laser passively Q-switched by a polymer-based saturable absorber

Gilles Martel, B. Ortac, Thierry Chartier, Jean-Michel Nunzi, Georges Boudebs, Francois Sanchez

Author Affiliations +

Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498509
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic

Abstract

We report on the different regimes observed in a bipolarized neodymium-doped fiber laser self Q-switched by a thin slice of a polymer-based saturable absorber. We demonstrate the interplay between the total losses and the loss anisotropy induced respectively by defocusing the saturable absorber and by tilting the cavity mirror. Starting from a global chaotic behavior for low-losses (i.e. good cavity) configuration, the system evolves toward n-periodic (n= 4,2 and 1) regime for increasing losses (bad cavity configuration). Stabilization of the regimes depends on the anisotropic losses introduced. These regimes have been identified as to be due to non-linear coupling through saturable absorber between two distinct polarized modes. These modes have been experimentally resolved. Simple model based on a bipolarized fiber laser reproduces such dynamics.

Citation Download Citation

Gilles Martel, B. Ortac, Thierry Chartier, Jean-Michel Nunzi, Georges Boudebs, and Francois Sanchez "Dynamics of a vectorial neodymium-doped fiber laser passively Q-switched by a polymer-based saturable absorber", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498509

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