Scientific Results

Cross-phase modulational instability induced by raman scattering in highly birefringent fiber

Year: 2013

Authors: Amrani F., Kibler B., Grelu P., Wabnitz S., Trillo S., Millot G.

Autors Affiliation: Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS-Universite de Bourgogne, 9 Av. A. Savary, 21078 Dijon, France; Department of Information Engineering, Universita di Brescia, Via Branze 38, Brescia 25123, Italy; Department of Engineering, University of Ferrara, via Saragat 1, Ferrara 44122, Italy

Abstract: We report experimental and theoretical studies of Raman-induced cross-phase modulational instabilities (XPMI) in a high-birefringence, normally dispersive optical fiber. Experimental results reveal that the Raman-Stokes wave, generated by a quasi-CW pump beam, interacts with the latter to create a novel type of XPMI sidebands. These sidebands are characterized by a narrow gain bandwidth. The sideband frequencies are well reproduced by a linear stability analysis as well as by full numerical solutions of the coupled generalized nonlinear Schrödinger equations.

Journal/Review: OPTICS LETTERS

Volume: 38 (24)      Pages from: 5327  to: 5330

More Information: We acknowledge financial support from the Conseil Regional de Bourgogne, the iXCore Foundation, the Labex ACTION program (ANR-11-LABX-01-01), and the Agence Nationale de la Recherche (project Solicristal ANR-10-BLAN-0417). S. W. acknowledges support by Fondazione Cariplo (grant no. 2011-0395). We also thank A. Mussot for checking the uniformity of the fiber properties.
KeyWords: Cross phase modulational instability; Dinger equation; Full numerical solution; Gain bandwidth; High birefringence; Highly birefringent fiber; Sideband frequency; Theoretical study, Nonlinear equations; Optical fibers, Phase modulation
DOI: 10.1364/OL.38.005327

Citations: 6
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