New equivalent step index methods for designing nonlinear fibres |
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Authors: | M. J. Holmes F. P. Payne |
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Affiliation: | (1) Engineering Department, Cambridge University, Trumpington St, CB2 1PZ Cambridge, UK |
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Abstract: | Abstact The equivalent step index (ESI) framework is shown to provide a convenient approximation for evaluating the performance of different optical fibre designs for potential use in nonlinear signal processing elements. New ESI methods are presented which combine reasonable accuracy with simple expressions for the ESI parameters, allowing fast and reliable solution of fibre design problems, and straightforward comparison between theory and measurements on experimental nonlinear fibres. |
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