Simplified analytic solutions and a novel fast algorithm for Yb3+-doped double-clad fiber lasers

Simplified analytic solutions and a novel fast algorithm for Yb3+-doped double-clad fiber lasers

In this paper, continuous wave Yb3+-doped double-clad fiber lasers (DCFLs) with linear-cavity are investigated theoretically and numerically using the rate equations. Under the steady state conditions, the simplified analytic solutions of Yb3+-doped DCFLs under considering the scattering loss are de...

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Bibliographic Details
Published in:Optics communications Vol. 277; no. 1; pp. 118 - 124
Main Authors: Luo, Zhengqian, Ye, Chenchun, Sun, Guoyong, Cai, Zhiping, Si, Miaoling, Li, Qibo
Format: Journal Article
Language:English
Published: Amsterdam Elsevier B.V 01-09-2007
Elsevier Science
Subjects:
Double-clad fiber lasers
Exact sciences and technology
Fast algorithm
Fiber lasers
Fundamental areas of phenomenology (including applications)
Lasers
Numerical simulation
Optics
Physics
Simplified analytic solutions
Double-clad fiber lasers
Simplified analytic solutions
Numerical simulation
Fast algorithm
Doubly clad fiber
Newton-Raphson method
Digital simulation
Optimization method
Theoretical study
Doped materials
Reflectivity
Ytterbium additions
Rate equation
Mirrors
Analytical solution
Ytterbium doped fiber
Fiber lasers
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Summary:In this paper, continuous wave Yb3+-doped double-clad fiber lasers (DCFLs) with linear-cavity are investigated theoretically and numerically using the rate equations. Under the steady state conditions, the simplified analytic solutions of Yb3+-doped DCFLs under considering the scattering loss are deduced in the strongly pump condition. Compared with the known analytic solutions in published literatures, our analytic solutions are more accurate, especially, at higher reflectivity of output mirror. In addition, a fast and stable algorithm based on the Newton–Raphson method is proposed to simulate numerically Yb3+-doped DCFLs. The results by simplified analytic solutions are in good agreement with those by the numerical simulation. Moreover, we have performed the optimization of an Yb3+-doped DCFL using the simplified analytic solutions and the numerical simulations, respectively.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2007.03.053