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We propose a wavelength‐reuse wavelength‐division multiplexing semipassive optical access network architecture with ring topology. Two access rings are controlled by one central office. The system capacity, as well as the network cover area, can be doubled with this proposal. When fiber failure occurs, the corresponding switches in remote nodes change to protection state to restore the network communication...
We propose wavelength-reuse WDM-PON architecture with ring topology. Two access rings are controlled by one central office. Two wavelength bands are cross-wavelength reused as the light source by the two access rings for downstream and upstream modulation separately. The system capacity, as well as the network cover area can be doubled with this proposal. The user number can be further expanded with...
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