Atangana, J. and Mireille Ndi Nnanga, B. and Giscard Onana Essama, B. and Mokthari, B. and Eddeqaqi, N.C. and Kofane, T.C. (2015) Efficient method of calculation of Raman soliton self-frequency shift in nonlinear optical media. Optics Communications, 339. pp. 194-208.

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Abstract

We present a method to evaluate Raman soliton self-frequency shift of soliton light pulses solution for higher-order nonlinear Schrödinger equation with non-Kerr nonlinearity which propagate in high-bit-rate optical systems. We show that the conventional technique, known as collective coordinates theory, becomes inappropriate and leads to a qualitatively and unpredictable dynamics of collective coordinates. We resolve this changeableness by reformulating the conventional technique during which we add two appropriate pulse parameters called the simulated Raman scattering specific coordinates. We point out the use of these coordinates by applying them to a correct calculation of soliton self-frequency shift (SSFS) and temporal shift when cubic-quintic effects effectively act. This method of calculation of soliton self-frequency shift could be an interesting physical tool to those working on propagation of nonlinear pulses in optical media where the investigations of simulated Raman scattering with associated phenomena are required. © 2014 Elsevier B.V.

Item Type: Article
Uncontrolled Keywords: Frequency shift keying; Light pulse generators; Nonlinear analysis; Nonlinear equations; Optical materials; Raman scattering; Solitons, Collective coordinates; Conventional techniques; Method of calculation; Modified ansatz; Nonlinear optical media; Quintic; Simulated raman scattering; Soliton self-frequency shift, Nonlinear optics
Subjects: Chemistry
Divisions: SCIENTIFIC PRODUCTION > Chemistry
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:45
URI: http://eprints.umi.ac.ma/id/eprint/1905

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