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Proceedings Paper

Optical path and crosstalk monitoring technique using pilot tones in all-optical WDM transport network
Author(s): Ho-Chul Ji; Keun-Joo Park; Jongkwon Kim; Yun Chur Chung
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Paper 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.

Paper Details

Date Published: 17 October 2001
PDF: 6 pages
Proc. SPIE 4584, Optical Network Design and Management, (17 October 2001); doi: 10.1117/12.445149
Show Author Affiliations
Ho-Chul Ji, Korea Advanced Institute of Science and Technology (South Korea)
Keun-Joo Park, Korea Advanced Institute of Science and Technology (South Korea)
Jongkwon Kim, Korea Advanced Institute of Science and Technology (South Korea)
Yun Chur Chung, Korea Advanced Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 4584:
Optical Network Design and Management
Xiaomin Ren; Tomonori Aoyama, Editor(s)

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