Survivable wavelength-division multiplexing passive optical network system with centralized protection routing scheme and efficient wavelength utilization

Zhao Zhou; Shilin Xiao; Meihua Bi; Tao Qi; Pingqing Li; Weisheng Hu

doi:10.1117/1.OE.52.9.096109

10 September 2013 Survivable wavelength-division multiplexing passive optical network system with centralized protection routing scheme and efficient wavelength utilization

Zhao Zhou, Shilin Xiao, Meihua Bi, Tao Qi, Pingqing Li, Weisheng Hu

Author Affiliations +

Optical Engineering, Vol. 52, Issue 9, 096109 (September 2013). https://doi.org/10.1117/1.OE.52.9.096109

Abstract

A survivable wavelength-division multiplexing passive optical network (WDM-PON) with centralized protection scheme and colorless optical network units is proposed. The sideband channels generated via optical carrier suppression technique are used to carry both the downstream (DS) and the upstream (US) remodulated signals for two neighboring sub-PONs. By employing alternate path routing of sideband channels, the centralized protection scheme can provide reliable protection against any failure in feed fibers, remote node, and distribution fibers. The number of extra fibers is greatly reduced, and efficient utilization of wavelength resource is achieved. The feasibility of the proposed system is verified by 10-Gb/s DS and 1.25-Gb/s US signals over 25-km single-mode fiber transmission in both working and protection modes.

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Zhao Zhou, Shilin Xiao, Meihua Bi, Tao Qi, Pingqing Li, and Weisheng Hu "Survivable wavelength-division multiplexing passive optical network system with centralized protection routing scheme and efficient wavelength utilization," Optical Engineering 52(9), 096109 (10 September 2013). https://doi.org/10.1117/1.OE.52.9.096109

Published: 10 September 2013

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