Deformation of modulated wave groups in third-order nonlinear media


Suryanto, A. and Groesen, E. van and Hoekstra, H.J.W.M. (2001) Deformation of modulated wave groups in third-order nonlinear media. Optical and quantum electronics, 33 (4-5). pp. 513-525. ISSN 0306-8919

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Abstract:We present a numerical and analytical investigation of the deformation of a modulated wave group in third-order nonlinear media. Numerical results show that an optical pulse that is initially bichromatic can deform substantially with large variations in amplitude and phase. For specific cases, the bi-chromatic pulse deforms into a train of temporal solitons. Based on the coupled phase-amplitude equation of Nonlinear Schrödinger (NLS), the initial deformation of the modulated wave-packet will be explained and an instability condition can be derived. Energy arguments are given that provide an alternative derivation of the instability condition.
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Copyright:© 2001 Springer
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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