Modeling of highly efficient single-frequency Er3+/Yb3+ co-doped fiber lasers

Fabrizio Di Pasquale; Marco Federighi; F. A. Fernandez; Jon Davies

doi:10.1117/12.201975

22 February 1995 Modeling of highly efficient single-frequency Er³⁺/Yb³⁺ co-doped fiber lasers

Fabrizio Di Pasquale, Marco Federighi, F. A. Fernandez, Jon Davies

Proceedings Volume 2449, Fiber Optic Network Components; (1995) https://doi.org/10.1117/12.201975
Event: Advanced Networks and Services, 1995, Amsterdam, Netherlands

Abstract

A theoretical model based on propagation-rate equations has been developed for modeling the continuous wave operations of Er³⁺/Yb³⁺ co-doped fiber lasers. It includes uniform upconversion mechanisms from the ⁴I_13/2 and ⁴I_11/2 erbium levels and describes the coupling between Er³⁺ and Yb³⁺ ions through a pair-induced energy transfer process. The nonlinear differential equations of the model are numerically solved by means of a Runge-Kutta based iterative procedure. Numerical results, based on realistic input fiber parameters, show that slope efficiencies close to the quantum limit with threshold pump powers of few mW, can be achieved in short Er³⁺/Yb³⁺ co-doped fibers equipped with input dielectric mirrors and output grating Bragg reflectors. Furthermore, we show that single frequency cw operations can also be performed, with lower efficiency, in Er³⁺/Yb³⁺ co-doped Fabry-Perot fiber microlasers

Citation Download Citation

Fabrizio Di Pasquale, Marco Federighi, F. A. Fernandez, and Jon Davies "Modeling of highly efficient single-frequency Er³⁺/Yb³⁺ co-doped fiber lasers", Proc. SPIE 2449, Fiber Optic Network Components, (22 February 1995); https://doi.org/10.1117/12.201975

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