Nonlinear repolarization dynamics in optical fibers: Transient polarization attraction

Year: 2011

Authors: Kozlov V.V., Fatome J., Morin P., Pitois S., Millot G., Wabnitz S.

Autors Affiliation: Department of Information Engineering, Università di Brescia, Via Branze 38, 25123 Brescia, Italy; Department of Physics, St.-Petersburg State University, Petrodvoretz, St.-Petersburg, 198504, Russian Federation; Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), UMR 5209 CNRS, Université de Bourgogne, 9 av. Alain Savary, 21078 Dijon, France

Abstract: In this work, we present a theoretical and experimental study of the response of a lossless polarizer to a signal beam with a time-varying state of polarization (SOP). By lossless polarizer, we mean a nonlinear conservative medium (e.g., an optical fiber) that is counterpumped by an intense and fully polarized pump beam. Such a medium transforms input uniform or random distributions of the SOP of an intense signal beam into output distributions that are tightly localized around a well-defined SOP. We introduce and characterize an important parameter of a lossless polarizer-its response time. Whenever the fluctuations of the SOP of the input signal beam are slower than its response time, a lossless polarizer provides an efficient repolarization of the beam at its output. Otherwise, if input polarization fluctuations are faster than the response time, the polarizer is not able to repolarize light.

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS

Volume: 28 (8)      Pages from: 1782  to: 1791

More Information: This work was carried out in the framework of the Research Project of National Interest (PRIN 2008) entitled \”Nonlinear cross-polarization interactions in photonic devices and systems,\” sponsored by Ministero dell\’Istruzione, dell\’Universita e della Ricerca (MIUR).
KeyWords: Optical fibers; Optical instruments, Experimental studies; Input polarization; Input signal; Intense signals; Lossless; Output distribution; Polarized pump beams; Random distribution; Repolarization; Signal beams; State of polarization; Time varying; Transient polarization, Polarization
DOI: 10.1364/JOSAB.28.001782

ImpactFactor: 2.185
Citations: 31
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