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Novel orthogonal wavelength division multiplexing (OWDM) scheme: Theory and experiment

Novel orthogonal wavelength division multiplexing (OWDM) scheme: Theory and experiment
Novel orthogonal wavelength division multiplexing (OWDM) scheme: Theory and experiment
The continuous increase of the transmission capacity demand reveals particularly interesting new modulation and multiplexing techniques targeting at high spectral efficiency (bit/s/Hz) DWDM systems. Several approaches to augment the spectral efficiency have been proposed such as vestigial sideband demultiplexing, orthogonal polarisation multiplexing and bandwidth limitation. In the meantime, the orthogonal spectrum packaging of electrical carriers has proven its high spectral efficiency and resistance to transmission channel impairments in its electrical counterpart modulation, OFDM (Orthogonal Frequency Division Multiplexing). The electrical OFDM modulation is implemented using digital inverse Fourier-transform (FT) operation in the transmitter and straight FT operation in the receiver. This approach cannot be performed at the optical domain as the digital signal processors are not available at core network line rates.
Llorente, R.
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Lee, J.H.
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Almeida, P.J.
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Ibsen, M.
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Richardson, D.J.
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Martí, J.
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Ramos, F.
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Llorente, R.
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Lee, J.H.
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Almeida, P.J.
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Ibsen, M.
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Richardson, D.J.
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Martí, J.
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Ramos, F.
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Llorente, R., Lee, J.H., Almeida, P.J., Ibsen, M., Richardson, D.J., Martí, J. and Ramos, F. (2003) Novel orthogonal wavelength division multiplexing (OWDM) scheme: Theory and experiment. LEOS 2003: The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society. 26 - 30 Oct 2003. 2 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

The continuous increase of the transmission capacity demand reveals particularly interesting new modulation and multiplexing techniques targeting at high spectral efficiency (bit/s/Hz) DWDM systems. Several approaches to augment the spectral efficiency have been proposed such as vestigial sideband demultiplexing, orthogonal polarisation multiplexing and bandwidth limitation. In the meantime, the orthogonal spectrum packaging of electrical carriers has proven its high spectral efficiency and resistance to transmission channel impairments in its electrical counterpart modulation, OFDM (Orthogonal Frequency Division Multiplexing). The electrical OFDM modulation is implemented using digital inverse Fourier-transform (FT) operation in the transmitter and straight FT operation in the receiver. This approach cannot be performed at the optical domain as the digital signal processors are not available at core network line rates.

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Published date: 2003
Venue - Dates: LEOS 2003: The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003-10-26 - 2003-10-30

Identifiers

Local EPrints ID: 41580
URI: https://eprints.soton.ac.uk/id/eprint/41580
PURE UUID: c6710645-29ca-4e4f-a540-ffbc0d9fb48b
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 03 Oct 2006
Last modified: 20 Jul 2019 01:24

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Contributors

Author: R. Llorente
Author: J.H. Lee
Author: P.J. Almeida
Author: M. Ibsen
Author: D.J. Richardson ORCID iD
Author: J. Martí
Author: F. Ramos

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