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1. Gain saturation and pump depletion in high-efficiency distributed-feedback rare-earth-doped lasers

Author

Evgeny Vanin, Bozena Jaskorzynska, Sten Helmfrid, and A. Asseh

Subjects
Materials science, business.industry, Gain, Physics::Optics, Laser pumping, Injection seeder, Atomic and Molecular Physics, and Optics, Semiconductor laser theory, Optics, Fiber laser, Diode-pumped solid-state laser, Optoelectronics, Physics::Atomic Physics, Laser power scaling, business, Tunable laser
Abstract

We propose a model for designing and analyzing rare-earth-doped distributed-feedback (DFB) lasers. The effects of pump depletion and cross-gain saturation are included and shown to be significant for high-efficiency lasers. Our simulations show good agreement with experimental data from an ytterbium-doped fiber laser. We also give some design guidelines for DFB fiber lasers.

Published
2009

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