Variational approach to nonlinear pulse propagation in optical fibers
- 1 June 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 27 (6) , 3135-3145
- https://doi.org/10.1103/physreva.27.3135
Abstract
The problem of nonlinear pulse propagation in optical fibers, as governed by the nonlinear Schrödinger equation, is reformulated as a variational problem. By means of Gaussian trial functions and a Ritz optimization procedure, approximate solutions are obtained for the evolution during propagation of pulse width, pulse amplitude, and nonlinear frequency chirp. Comparisons with results from inverse-scattering theory and/or numerically obtained solutions show very good agreement.Keywords
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