Suppression of relative intensity noise in fiber-optic Raman polarizers

Year: 2011

Authors: Kozlov V.V., Wabnitz S.

Autors Affiliation: Department of Information Engineering, University of Brescia, Brescia 25123, Italy; Department of Physics, Saint Petersburg State University, Petrodvoretz, Saint Petersburg, 198504, Russian Federation

Abstract: We propose a method for the suppression of relative intensity noise (RIN) at the output of a Raman polarizer, a special type of Raman amplifier that transforms an input weak beam of unpolarized light into an highly polarized amplified beam towards its output. We show that the RIN which is induced by polarization-dependent gain is suppressed whenever the Raman polarizer works in the depleted pump regime.

Journal/Review: IEEE PHOTONICS TECHNOLOGY LETTERS

Volume: 23 (15)      Pages from: 1088  to: 1090

More Information: This work was carried out in the framework of the “Scientific Research Project of Relevant National Interest” (PRIN 2008) titled “Nonlinear cross-polarization interactions in photonic devices and systems” (POLARIZON)
KeyWords: Raman amplifier; Relative intensity noise; Unpolarized light; Weak beams, Light amplifiers; Optical fibers; Polarization; Raman scattering, Optical instruments
DOI: 10.1109/LPT.2011.2157119

Citations: 11
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