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Soliton amplification in inhomogeneous optical waveguides. (English) Zbl 1356.78110

Summary: Soliton amplification in inhomogeneous systems is investigated in this paper. The variable coefficient nonlinear Schrödinger equation, which describes the propagation of solitons in inhomogeneous optical waveguides, is studied analytically. The analytic soliton solution is derived via the Hirota method. According to the soliton solution obtained, the soliton is amplified while the corresponding parameters are chosen properly. Furthermore, the physical effects affecting soliton amplification are discussed. The results of this paper will be valuable to improve the quality of optical amplification and integrate the optical devices.

MSC:

78A50 Antennas, waveguides in optics and electromagnetic theory
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