Spectrum variable colorless, directionless and contentionless multi-degree ROADM node

Philip N. Ji; Yoshiaki Aono; Ting Wang

doi:10.1117/12.876332

24 January 2011 Spectrum variable colorless, directionless and contentionless multi-degree ROADM node

Philip N. Ji, Yoshiaki Aono, Ting Wang

Proceedings Volume 7959, Optical Metro Networks and Short-Haul Systems III; 79590H (2011) https://doi.org/10.1117/12.876332
Event: SPIE OPTO, 2011, San Francisco, California, United States

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.

Citation Download Citation

Philip N. Ji, Yoshiaki Aono, and Ting Wang "Spectrum variable colorless, directionless and contentionless multi-degree ROADM node", Proc. SPIE 7959, Optical Metro Networks and Short-Haul Systems III, 79590H (24 January 2011); https://doi.org/10.1117/12.876332

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