All-optical phase and amplitude regenerator for next-generation telecommunications systems


Slavík, Radan, Parmigiani, Francesca, Kakande, Joseph, Lundström, Carl, Sjödin, Martin, Andrekson, Peter A., Weerasuriya, Ruwan, Sygletos, Stylianos, Ellis, Andrew D., Grüner-Nielsen, Lars, Jakobsen, Dan, Herstrøm, Søren, O'Gorman, James, Bogris, Adonis, Syvridis, Dimitris, Dasgupta, Sonali, Petropoulos, Periklis and Richardson, David J. (2010) All-optical phase and amplitude regenerator for next-generation telecommunications systems. Nature Photonics, 4, 690-695. (doi:10.1038/nphoton.2010.203).

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Description/Abstract

Fibre-optic communications systems have traditionally carried data using binary (on-off ) encoding of the light amplitude. However, next-generation systems will use both the amplitude and phase of the optical carrier to achieve higher spectral efficiencies and thus higher overall data capacities. Although this approach requires highly complex transmitters and receivers, the increased capacity and many further practical benefits that accrue from a full knowledge of the amplitude and phase of the optical field3 more than outweigh this additional hardware complexity and can greatly simplify optical network design. However, use of the complex optical field gives rise to a new dominant limitation to system performance - nonlinear phase noise. Developing a device to remove this noise is therefore of great technical importance. Here, we report the development of the first practical ('black-box') all-optical regenerator capable of removing both phase and amplitude noise from binary phase encoded optical communications signals.

Item Type: Article
ISSNs: 1749-4885 (print)
1749-4893 (electronic)
Related URLs:
Keywords: main, methods, references, acknowledgements, author information
Subjects: H Social Sciences > HE Transportation and Communications
Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 177039
Date Deposited: 15 Mar 2011 09:33
Last Modified: 27 Mar 2014 19:24
URI: http://eprints.soton.ac.uk/id/eprint/177039

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