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Proceedings Paper

Eliminating four-wave-mixing crosstalk in wavelength-division-multiplexing systems
Author(s): Wing C. Kwong; Guu-Chang Yang
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Paper Abstract

To reduce four-wave-mixing crosstalk in long-haul wavelength-division multiplexing (WDM) lightwave systems, the use of unequally spaced channels has recently been proposed. Instead of being solved y integer linear programming, the unequal-spaced channel-allocation problem is here treated as constructing suitable optical orthogonal codes in optical code-division multiple-access (CDMA). Three 'algebraic' algorithms on finding the frequency locations of unequally spaced WDM channels are reported. The constructions are based on generating optical CDMA codewords with a predetermined pulse separation and 'aperiodic' autocorrelation sidelobes no greater than one. The algorithms potentially provide a fast and simple alternative to solve the problem, besides the recently reported computer-search method.

Paper Details

Date Published: 1 November 1996
PDF: 10 pages
Proc. SPIE 2919, All-Optical Communication Systems: Architecture, Control, and Network Issues II, (1 November 1996); doi: 10.1117/12.256355
Show Author Affiliations
Wing C. Kwong, Hofstra Univ. (United States)
Guu-Chang Yang, National Chung-Hsing Univ. (Taiwan)


Published in SPIE Proceedings Vol. 2919:
All-Optical Communication Systems: Architecture, Control, and Network Issues II
Robert A. Cryan; John M. Senior, Editor(s)

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