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To provide high-capacity/high-reliability optical-access and short-range links, a novel failure-recovery system utilizing protection optical switch units and multi-core fibers was developed. Configuring the proposed failure-recovery system, the developed multi-core fiber (MCF) connection technology (i.e., fan-in/-out modules and MCF connectors) and a protection optical-switch unit experimentally demonstrated...
We review research progress on new optical devices for SDM networks. Component sharing is expected to be effective for cost reduction, but further improvement of SDM-device performance is needed to realize practical SDM networks.
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