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This paper proposes a power efficient optical access network architecture that reduces OLT power consumption. Several PON trees are aggregated thanks to waveguide optical switches with nano second-order switching speed. The proposed network dynamically activates/deactivates OLT according to ONU traffic load, and reduces OLT power use while maintaining transmission fairness. IP network traffic has increased rapidly in recent years with the popularization of optical fiber access networks. Currently, Passive Optical Network (PON) is used around the world as a Fiber-To-The-Home (FTTH) broadband access network. The PON architecture based on Time Division Multiplexing (TDM) transmission.
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