Abstract
We analytically explore two novel types of asymptotic self-similar solutions, termed trigonometric and Hermite-Gaussian pulses of the generalized nonlinear Schrödinger equation with varying dispersion, nonlinearity, gain or absorption, and external source. Under certain physical conditions, we reduce the coupled nonlinear Schrödinger equations to a single-wave equation that aptly describes similariton propagation through asymmetric twin-core fiber amplifiers.
© 2012 Optical Society of America
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