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18 May 2012 Cost-effective centralized automatic protection switching scheme for reliable wavelength division multiplexing passive optical network
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Abstract
A simple, cost-effective, centrally controlled, self-protection, colorless wavelength division multiplexing passive optical network is proposed. By using an optical switch at the optical line terminal and an N×N arrayed waveguide grating at a remote node, it can provide 1∶1 protection for downstream traffic and 1+1 protection for upstream data, respectively. The scheme feasibility is verified with 1.25  Gb/s for upstream and 2.5  Gb/s for downstream data rates based on gain-saturated reflective semiconductor optical amplifier, in both normal working and protection modes. The network performance in terms of complexity and availability is also evaluated.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2012/$25.00 © 2012 SPIE
Min Zhu, Wen-De Zhong, and Shilin Xiao "Cost-effective centralized automatic protection switching scheme for reliable wavelength division multiplexing passive optical network," Optical Engineering 51(5), 055005 (18 May 2012). https://doi.org/10.1117/1.OE.51.5.055005
Published: 18 May 2012
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