Applied Physics B

, Volume 80, Issue 4–5, pp 449–457 | Cite as

Experimental characterisation, optimisation and design of erbium-doped silica fibre lasers



A new characterisation method is described using the new theoretical model for erbium-doped silica fibre lasers (EDSFLs) based on the energy conservation principle. Using this method, we obtained absorption and emission coefficients for the lasing wavelength at lasing operating conditions. After that, an experimental procedure to deduce the spectral profiles of the absorption and emission coefficients is also presented. This procedure allows us to obtain the values of these parameters for the whole fluorescence spectrum through measurements of gain profiles under the lasing operation. Once the absorption and emission coefficients are known, the new model can be applied and a comparison with experimental results for two different laser configurations is shown. The theoretical model is proved to be accurate and in addition some equations are developed to allow the design and optimisation of EDSFLs.


42.55.Wd 42.81.Cn 


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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  1. 1.Departamento de Fìsica Aplicada—Facultad de CienciasUniversidad de ZaragozaZaragozaSpain

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