Beyond wavelength-selective channel switches: Trends in support of flexible/elastic optical networks

Dan M. Marom*, David Sinefeld

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Wavelength-selective channel switches (WSS) have been instrumental in realizing dynamic transparent optical networks, where WDM channels are switched, dropped and added at network nodes. While the technology for realizing WSS has been around for a decade, developments in the field have never ceased and have followed the advancements in modern optical communications. Some of these developments are evolutionary, such as support for higher port counts and twin-packing of WSS in an effort to cost-reduce its deployment. Others are more revolutionary, enabling new functionality at the optical transport layer, such as flexible bandwidth switching in support of super-channel transmission, and high-resolution optical multiplexing of new modulation formats such as orthogonal frequency division multiplexing (OFDM) and Nyquist-WDM. We review the future trends in WSS technology, demonstrating the advanced functionality required in support of flexible/elastic optical networks, and predicting how far forward the technology might scale.

Original languageEnglish
Title of host publicationICTON 2012 - 14th International Conference on Transparent Optical Networks
DOIs
StatePublished - 2012
Event14th International Conference on Transparent Optical Networks, ICTON 2012 - Coventry, United Kingdom
Duration: 2 Jul 20125 Jul 2012

Publication series

NameInternational Conference on Transparent Optical Networks
ISSN (Electronic)2162-7339

Conference

Conference14th International Conference on Transparent Optical Networks, ICTON 2012
Country/TerritoryUnited Kingdom
CityCoventry
Period2/07/125/07/12

Keywords

  • Nyquist-WDM
  • OFDM
  • WDM super-channels
  • Wavelength-selective switches

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