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In-fiber subpicosecond pulse shaping for nonlinear optical telecommunication data processing at 640 Gbit/s

Azaña, J., Oxenløwe, L.K., Palushani, E., Slavík, R., Galili, M., Mulvad, H.C.H., Hu, H., Park, Y., Clausen, A.T. and Jeppesen, P. (2012) In-fiber subpicosecond pulse shaping for nonlinear optical telecommunication data processing at 640 Gbit/s International Journal of Optics, 2012, pp. 1-16. (doi:10.1155/2012/895281).

Record type: Article

Abstract

We review recent work on all-fiber (long-period fiber grating) devices for optical pulse shaping, particularly flat-top pulse generation, down to the subpicosecond range and their application for nonlinear switching (demultiplexing) of optical time-division multiplexed (OTDM) data signals in fiber-optic telecommunication links operating up to 640 Gbit/s. Experiments are presented demonstrating error-free 640-to-10 Gbit/s demultiplexing of the 64 tributary channels using the generated flat-top pulses for temporal gating in a Kerr-effect-based nonlinear optical loop mirror. The use of flat-top pulses has critical benefits in the demultiplexing process, including a significantly increased timing-jitter tolerance (up to ~500 fs, i.e., 30% of the bit period) and the associated improvement in the bit-error-rate performance (e.g., with a sensitivity increase of up to ~13 dB as compared with the use of Gaussian-like gating pulses). Long-period fiber grating pulse shapers with reduced polarization dependence are fabricated and successfully used for polarization-independent 640-to-10 Gbit/s demultiplexing experiments.

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Published date: 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 334046
URI: http://eprints.soton.ac.uk/id/eprint/334046
ISSN: 1687-9384
PURE UUID: b0169204-0b51-4e01-8cc2-d49253f8401d
ORCID for R. Slavík: ORCID iD orcid.org/0000-0002-9336-4262
ORCID for H.C.H. Mulvad: ORCID iD orcid.org/0000-0003-2552-0742

Catalogue record

Date deposited: 06 Mar 2012 12:44
Last modified: 12 Sep 2017 16:32

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Contributors

Author: J. Azaña
Author: L.K. Oxenløwe
Author: E. Palushani
Author: R. Slavík ORCID iD
Author: M. Galili
Author: H.C.H. Mulvad ORCID iD
Author: H. Hu
Author: Y. Park
Author: A.T. Clausen
Author: P. Jeppesen

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