Optical path and crosstalk monitoring technique using pilot tones in all-optical WDM transport network

Ho-Chul Ji; Keun-Joo Park; Jongkwon Kim; Yun Chur Chung

doi:10.1117/12.445149

17 October 2001 Optical path and crosstalk monitoring technique using pilot tones in all-optical WDM transport network

Ho-Chul Ji, Keun-Joo Park, Jongkwon Kim, Yun Chur Chung

Proceedings Volume 4584, Optical Network Design and Management; (2001) https://doi.org/10.1117/12.445149
Event: Asia-Pacific Optical and Wireless Communications Conference and Exhibit, 2001, Beijing, China

Abstract

We propose and demonstrate a simple and efficient technique to monitor the optical paths in all-optical WDM transport networks using pilot tones. This technique could also monitor the crosstalk increases caused by the partial failures of optical switches in the optical cross-connects. In addition, unlike the other monitoring techniques based on the pilot tones, this technique was insensitive to the cross-gain modulation of EDFA. Thus, the proposed techniques could be used to monitor both the optical paths and switch failures in a large-scale all-optical WDM transport network.

Citation Download Citation

Ho-Chul Ji, Keun-Joo Park, Jongkwon Kim, and Yun Chur Chung "Optical path and crosstalk monitoring technique using pilot tones in all-optical WDM transport network", Proc. SPIE 4584, Optical Network Design and Management, (17 October 2001); https://doi.org/10.1117/12.445149

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