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Fiber DFB lasers with ultimate efficiency

By K. Yelen, M.N. Zervas and L.M.B. Hickey

Abstract

A novel method for designing distributed feedback (DFB) lasers with ultimate efficiency is presented. The method is based on the calculation of the optimum signal distribution for a given pumping scheme and derivation of the grating profile that sustains this distribution so that at every point in the cavity pump-to-signal conversion efficiency is maximum. Theory applied experimentally in Er-Yb co-doped fiber resulting in a 57% increase in the efficiency with 10% shorter device length compared with standard optimized co-pumped design

Topics: QC, TK
Year: 2005
OAI identifier: oai:eprints.soton.ac.uk:41727
Provided by: e-Prints Soton
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  • http://dx.doi.org/10.1109/JLT.... (external link)
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