Nonlinearity management for optical fiber solitons with the structure of double pitfalls

Abstract

Abstract:

In order to investigate soliton phenomenon in optical fiber induced by the dispersion and the nonlinearity with the structure of double pitfalls, the (1+1)-dimensional nonlinear Schrödinger (NLS) equation with variable coefficients was discussed by employing a numerical split-step Fourier code. There exist a series of interesting properties of optical fiber solitons in two types of optical nonlinear systems with the structure of double pitfalls, such as the periodic oscillations of one soliton pulse induced by the nonlinear structure of double pitfalls based on the variable parameter background; the walk-off effect of two solitons induced by the nonlinear structure of double pitfalls based on the constant parameter background; the special interaction and the fusion reactions of three solitons in two types of optical nonlinear systems with the structure of double pitfalls.

Key words: nonlinear optics, nonlinear structure of double pitfalls, numerical simulations, optical fiber solitons

CLC Number:

TN929.1

Hao Ruiyu . Nonlinearity management for optical fiber solitons with the structure of double pitfalls[J]. J4, 2012, 29(6): 754-758.

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