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Fast and chaotic fiber-based nonlinear polarization scramble

Fast and chaotic fiber-based nonlinear polarization scramble
Fast and chaotic fiber-based nonlinear polarization scramble
We report a simple and efficient all-optical polarization scrambler based on the nonlinear interaction in an optical fiber between a signal beam and its backward replica which is generated and amplified by a reflective loop. When the amplification factor exceeds a certain threshold, the system exhibits a chaotic regime in which the evolution of the output polarization state of the signal becomes temporally chaotic and scrambled all over the surface of the Poincaré sphere. We numerically derive some design rules for the scrambling performances of our device which are well confirmed by the experimental results. The polarization scrambler has been successfully tested on a 10-Gb/s On/Off Keying Telecom signal, reaching scrambling speeds up to 500-krad/s, as well as in a wavelength division multiplexing configuration. A different configuration based on a following cascade of polarization scramblers is also discussed numerically, which leads to an increase of the scrambling performances.
1077-260X
Guasoni, Massimiliano
5aa684b2-643e-4598-93d6-bc633870c99a
Bony, Pierre-Yves
85325f82-aa34-42e3-a2e9-a26f4df59d18
Gilles, Marin
9fbd0f77-5afb-41f7-8a3e-7afbbede61aa
Picozzi, Antonio
2944bc0a-3c7c-4e90-afb6-754e58a964e2
Guasoni, Massimiliano
5aa684b2-643e-4598-93d6-bc633870c99a
Bony, Pierre-Yves
85325f82-aa34-42e3-a2e9-a26f4df59d18
Gilles, Marin
9fbd0f77-5afb-41f7-8a3e-7afbbede61aa
Picozzi, Antonio
2944bc0a-3c7c-4e90-afb6-754e58a964e2

Guasoni, Massimiliano, Bony, Pierre-Yves, Gilles, Marin and Picozzi, Antonio (2016) Fast and chaotic fiber-based nonlinear polarization scramble. IEEE Journal of Selected Topics in Quantum Electronics, 22 (2), [4402012]. (doi:10.1109/JSTQE.2015.2501382).

Record type: Article

Abstract

We report a simple and efficient all-optical polarization scrambler based on the nonlinear interaction in an optical fiber between a signal beam and its backward replica which is generated and amplified by a reflective loop. When the amplification factor exceeds a certain threshold, the system exhibits a chaotic regime in which the evolution of the output polarization state of the signal becomes temporally chaotic and scrambled all over the surface of the Poincaré sphere. We numerically derive some design rules for the scrambling performances of our device which are well confirmed by the experimental results. The polarization scrambler has been successfully tested on a 10-Gb/s On/Off Keying Telecom signal, reaching scrambling speeds up to 500-krad/s, as well as in a wavelength division multiplexing configuration. A different configuration based on a following cascade of polarization scramblers is also discussed numerically, which leads to an increase of the scrambling performances.

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More information

e-pub ahead of print date: 18 November 2015
Published date: March 2016

Identifiers

Local EPrints ID: 442411
URI: http://eprints.soton.ac.uk/id/eprint/442411
ISSN: 1077-260X
PURE UUID: 725fe682-7efc-43cd-b1cf-6205396c8b44

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Date deposited: 14 Jul 2020 16:39
Last modified: 08 Jan 2022 01:51

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Contributors

Author: Pierre-Yves Bony
Author: Marin Gilles
Author: Antonio Picozzi

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