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Proceedings Paper

Dynamic DWDM channel blocking/equalizing based on liquid crystal technology
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Paper Abstract

Dynamic DWDM channel blocking and equalizing is proposed based on liquid crystal (LC) and bulk grating technology. A dispersion compensation and enhancement unit is employed so that low center-frequency shift small footprint could be achieved at the same time. The inter-channel crosstalk is also studied. With the optimized design of dispersion unit and LC module, a 32-channel, 100-GHz spacing sample is demonstrated with the insertion loss (IL) of 5.5 dB and 45dB extinction ratio. Application of our device to reconfigurable optical add-and-drop (ROADM) network is discussed

Paper Details

Date Published: 19 November 2008
PDF: 8 pages
Proc. SPIE 7137, Network Architectures, Management, and Applications VI, 71371Z (19 November 2008); doi: 10.1117/12.803484
Show Author Affiliations
Zhang-di Huang, Nanjing Univ. (China)
Yan-qing Lu, Nanjing Univ. (China)
Shuping Wang, Univ. of North Texas (United States)

Published in SPIE Proceedings Vol. 7137:
Network Architectures, Management, and Applications VI
Weisheng Hu; Shoa-Kai Liu; Ken-ichi Sato; Lena Wosinska, Editor(s)

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