Multichannel Raman polarizer with suppressed relative intensity noise for wavelength division multiplexing transmission lines

Year: 2012

Authors: Kozlov V.V., Nuño J., Ania-Castañón J.D., 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; Instituto de Optica, Consejo Superior de Investigaciones Cientificas (CSIC), 28006 Madrid, Spain

Abstract: We propose a method of suppressing the relative intensity noise caused by polarization-dependent gain that is inherent to Raman polarizers (RPs). This method involves bit-synchronously scrambling the state of polarization of a pulse (bit) before the pulse enters the RP. The proposed solution works for RPs operating in a depleted regime and is compatible with multichannel configurations.

Journal/Review: OPTICS LETTERS

Volume: 37 (11)      Pages from: 2073  to: 2075

More Information: This work was carried out with support from the Italian Ministry of University and Research (MIUR) in the framework of the \”Scientific Research Project of Relevant National Interest\” (PRIN 2008) entitled \”Nonlinear cross-polarization interactions in photonic devices and systems\” (POLARIZON), the research projects TEC2008-05791 and TEC2011-27314 from the Spanish Ministry of Science and Innovation, and the 2009 Italy-Spain integrated action \”Nonlinear Optical Systems and Devices\” (HI2008-0075). We used VPI Transmission-Maker 8.6 for the numerical estimation of the received BER.
KeyWords: Multi-channel; Relative intensity noise; State of polarization; Wavelength division multiplexing transmissions, Polarization, Optical instruments
DOI: 10.1364/OL.37.002073

Citations: 8
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