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

OTDM add-drop multiplexer based on time-frequency signal processing
OTDM add-drop multiplexer based on time-frequency signal processing
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.
0733-8724
2720-2732
Almeida, P.J.
94d05bc1-3cb1-4394-af30-9ab1c36b0311
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Parmigiani, F.
6a386833-5186-4448-875e-d691161aba62
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Almeida, P.J.
94d05bc1-3cb1-4394-af30-9ab1c36b0311
Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Parmigiani, F.
6a386833-5186-4448-875e-d691161aba62
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Almeida, P.J., Petropoulos, P., Parmigiani, F., Ibsen, M. and Richardson, D.J. (2006) OTDM add-drop multiplexer based on time-frequency signal processing. IEEE Journal of Lightwave Technology, 24 (7), 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: https://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
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 11 Dec 2006
Last modified: 14 Mar 2019 01:54

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