Crosstalk reduction through wavelength assignment in WDM photonic switching networks

As the deployment of wavelength-division multiplexing (WDM) transmission facilities speeds up, the next step is to add cross-connects to route WDM signals. Electro-optical directional couplers (DCs) are well suited for the task since they can pass WDM signals. However, DCs suffer an intrinsic crosst...

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Bibliographic Details
Published inIEEE transactions on communications Vol. 49; no. 7; pp. 1280 - 1287
Main Authors Wong, Tak-Shing, Lea, Chin-Tau
Format Journal Article
LanguageEnglish
Published New York IEEE 01.07.2001
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Crosstalk
Directional couplers
Distributed control
Intelligent networks
Multiplexing
Optical coupling
Optical crosstalk
Optical waveguides
Photonics
Switches
Switching
Switching theory
Tasks
Wavelength assignment
Wavelength division multiplexing
Wavelengths
WDM networks
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Summary:As the deployment of wavelength-division multiplexing (WDM) transmission facilities speeds up, the next step is to add cross-connects to route WDM signals. Electro-optical directional couplers (DCs) are well suited for the task since they can pass WDM signals. However, DCs suffer an intrinsic crosstalk problem. Removing crosstalk has been an important design issue. In this paper, we show how to take advantage of the multiple-wavelength characteristic of a WDM signal to reduce crosstalk in a DC-based photonic switching system.
Bibliography:ObjectType-Article-2
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ISSN:0090-6778
1558-0857
DOI:10.1109/26.935168