A reliable wavelength division multiplexing metro-access network realizing crosstalk-free transmission between uplink and downlink |
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| Authors: | Chenwei Wu Chaoqin Gan Xuejiao Ma |
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| Institution: | 1. Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, 200072, Shanghai, China
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| Abstract: | A novel wavelength division multiplexing metro-access network based on dual-fiber ring of remote nodes and star topology of optical network units is designed to realize the reliable network in case of either single or dual fiber failure. In the design, the survivability of the network is largely enhanced by three work modes. Simultaneously, this network structure can also avoid the crosstalk between uplink and downlink. The simulation results demonstrated with 2.5-Gb/s up/downstream signals show this approach could work very well. |
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