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OTDM add-drop multiplexer based on time-frequency signal processing

Almeida, P.J., Petropoulos, P., Parmigiani, F., Ibsen, M. and Richardson, D.J. (2006) OTDM add-drop multiplexer based on time-frequency signal processing Journal of Lightwave Technology, 24, (7), pp. 2720-2732. (doi:10.1109/JLT.2006.875947).

Record type: Article

Abstract

A time-division add-drop multiplexer capable of high-extinction-ratio operation is presented both theoretically and experimentally. The approach used is based on time-to-frequency domain conversion of optical signals and relies upon the switching of linearly chirped optical pulses. By converting a 40-Gb/s optical time-division multiplexing (OTDM) signal to 4 × 10-Gb/s wavelength-division multiplexing (WDM) channels and using fiber Bragg gratings for frequency-domain add-drop multiplexing, a timeslot suppression ratio in excess of 30 dB and error-free operation for the dropped, through, and added channels were achieved. A further stage of WDM-to-TDM signal conversion was used to map the resulting signal back into the time domain. Moreover, it is shown that it is straightforward to simultaneously operate on multiple channels by simply cascading gratings to make more complex filtering functions without the requirement for any further synchronization of the tributary channels.

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Published date: 2006
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 42406
URI: http://eprints.soton.ac.uk/id/eprint/42406
ISSN: 0733-8724
PURE UUID: cb19d4a6-d00e-46a4-b7ce-6a4f9b010807
ORCID for P. Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for F. Parmigiani: ORCID iD orcid.org/0000-0001-7784-2829

Catalogue record

Date deposited: 11 Dec 2006
Last modified: 17 Jul 2017 15:22

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Contributors

Author: P.J. Almeida
Author: P. Petropoulos ORCID iD
Author: F. Parmigiani ORCID iD
Author: M. Ibsen
Author: D.J. Richardson

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