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Proceedings Paper

Spectrum variable colorless, directionless and contentionless multi-degree ROADM node
Author(s): Philip N. Ji; Yoshiaki Aono; Ting Wang
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Paper Abstract

The current fixed grid WDM system and ROADM node cannot provide optimum spectrum utilization and flexibility in metro networks. A solution is a flexible WDM network that can allocate optical spectrum and provision connections dynamically. In this paper, we propose and experimentally demonstrate a colorless, directionless and contentionless multi-degree ROADM node with flexible spectrum configuration for such network. Experiment results show that interdegree cross-connect and colorless, directionless add/drop operation on spectrum variable WDM signals can be achieved without incurring wavelength blocking in the node. This ROADM node enables spectrum efficient and cost efficient switching compared to fixed grid ROADM nodes.

Paper Details

Date Published: 25 January 2011
PDF: 8 pages
Proc. SPIE 7959, Optical Metro Networks and Short-Haul Systems III, 79590H (25 January 2011); doi: 10.1117/12.876332
Show Author Affiliations
Philip N. Ji, NEC Labs. America, Inc. (United States)
Yoshiaki Aono, NEC Corp. (Japan)
Ting Wang, NEC Labs. America, Inc. (United States)


Published in SPIE Proceedings Vol. 7959:
Optical Metro Networks and Short-Haul Systems III
Werner Weiershausen; Benjamin Dingel; Achyut Kumar Dutta; Atul K. Srivastava, Editor(s)

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