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Coherent all-optical phase and amplitude regenerator of binary phase-encoded signals

Coherent all-optical phase and amplitude regenerator of binary phase-encoded signals
Coherent all-optical phase and amplitude regenerator of binary phase-encoded signals
The performance of future ultralong-haul communication systems exploiting phase-encoded signals is likely to be compromised by nonlinear phase noise generated during signal transmission. One potential way to mitigate against nonlinear phase noise is to use phase-sensitive amplifiers (PSAs) that have been demonstrated to help remove such phase noise as well as to provide simultaneous signal amplitude noise suppression when operated in saturation. Recently, we have shown that a PSA-based signal regenerator based on degenerate four-wave mixing could be implemented in a network-compatible manner in which only the (noisy) signal is present at the device input (black-box operation). However, this scheme was tested only with relatively high frequency deterministic perturbations applied to the signal. Here, we address both theoretically and experimentally the important issue of how such a regenerator works with more realistic random broadband amplitude/phase noise distributions. Good regenerative performance is demonstrated and our study also illustrates an additional unique feature of PSA-based regenerators - namely error correction for differentially encoded signals when placed in front of a DPSK receiver. Furthermore, we present a simplified regenerator implementation providing highly stable operation and representing a significant further step toward a practical device.
1077-260X
859-896
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Bogris, Adonis
f1d9d602-369c-4d3a-8eb9-6225d68fb275
Parmigiani, Francesca
6a386833-5186-4448-875e-d691161aba62
Kakande, Joseph
70e0019d-0e99-4412-8104-97c84128ae27
Westlund, Mathias
c11b2cbb-25ff-49a9-ad08-7a9992ccda49
Sköld, Mats
57e65f9a-9ec0-40b5-8f4c-723ad71f6c51
Grüner-Nielsen, Lars
3545f3e1-724c-48e9-8d3b-d32df538e67b
Phelan, Richard
cf8597ff-53c7-416e-986f-059bf9f05c93
Syvridis, Dimitris
1977b893-4834-45cd-a689-990ebf79a414
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Bogris, Adonis
f1d9d602-369c-4d3a-8eb9-6225d68fb275
Parmigiani, Francesca
6a386833-5186-4448-875e-d691161aba62
Kakande, Joseph
70e0019d-0e99-4412-8104-97c84128ae27
Westlund, Mathias
c11b2cbb-25ff-49a9-ad08-7a9992ccda49
Sköld, Mats
57e65f9a-9ec0-40b5-8f4c-723ad71f6c51
Grüner-Nielsen, Lars
3545f3e1-724c-48e9-8d3b-d32df538e67b
Phelan, Richard
cf8597ff-53c7-416e-986f-059bf9f05c93
Syvridis, Dimitris
1977b893-4834-45cd-a689-990ebf79a414
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Slavík, Radan, Bogris, Adonis, Parmigiani, Francesca, Kakande, Joseph, Westlund, Mathias, Sköld, Mats, Grüner-Nielsen, Lars, Phelan, Richard, Syvridis, Dimitris, Petropoulos, Periklis and Richardson, David J. (2012) Coherent all-optical phase and amplitude regenerator of binary phase-encoded signals. IEEE Journal of Selected Topics in Quantum Electronics, 18 (2), 859-896. (doi:10.1109/JSTQE.2011.2136329).

Record type: Article

Abstract

The performance of future ultralong-haul communication systems exploiting phase-encoded signals is likely to be compromised by nonlinear phase noise generated during signal transmission. One potential way to mitigate against nonlinear phase noise is to use phase-sensitive amplifiers (PSAs) that have been demonstrated to help remove such phase noise as well as to provide simultaneous signal amplitude noise suppression when operated in saturation. Recently, we have shown that a PSA-based signal regenerator based on degenerate four-wave mixing could be implemented in a network-compatible manner in which only the (noisy) signal is present at the device input (black-box operation). However, this scheme was tested only with relatively high frequency deterministic perturbations applied to the signal. Here, we address both theoretically and experimentally the important issue of how such a regenerator works with more realistic random broadband amplitude/phase noise distributions. Good regenerative performance is demonstrated and our study also illustrates an additional unique feature of PSA-based regenerators - namely error correction for differentially encoded signals when placed in front of a DPSK receiver. Furthermore, we present a simplified regenerator implementation providing highly stable operation and representing a significant further step toward a practical device.

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More information

e-pub ahead of print date: 31 May 2011
Published date: March 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 334052
URI: http://eprints.soton.ac.uk/id/eprint/334052
ISSN: 1077-260X
PURE UUID: 2e7f4ac8-8fde-4875-a880-d9efe282918e
ORCID for Radan Slavík: ORCID iD orcid.org/0000-0002-9336-4262
ORCID for Francesca Parmigiani: ORCID iD orcid.org/0000-0001-7784-2829
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 06 Mar 2012 14:16
Last modified: 15 Mar 2024 03:32

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Contributors

Author: Radan Slavík ORCID iD
Author: Adonis Bogris
Author: Francesca Parmigiani ORCID iD
Author: Joseph Kakande
Author: Mathias Westlund
Author: Mats Sköld
Author: Lars Grüner-Nielsen
Author: Richard Phelan
Author: Dimitris Syvridis

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