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Intra-datacenter traffic is growing more than 20% a year. In typical datacenters, a large number of top-of-rack switches are interconnected via multi-tier electrical switches. The electrical switches necessitate power-consuming optical-to-electrical (OE) and electrical-to-optical (EO) conversion. In addition, the power consumption increases with the growing traffic. To overcome this problem, optical...
We propose a novel optical-switch configuration for intra-datacenter interconnection that consists of tunable lasers, non-cyclic AWGs, and combinations of small-size optical switches and couplers. We develop an 800×800 switch prototype and its good performance and scalability are verified by experiments.
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