Progress and Demonstrations on Space Division Multiplexing

As optical networks urgently seek for extra capacity, Space Division Multiplexing (SDM) seems to be able to provide it. SDM can deploy multiple spatial channels in multi-core (MCFs) and/or multi-mode fibers (MMFs), and so, can increase the total transmission capacity. Specific integrated and scalable components will be needed to support the new multiplexing technology. In this paper we present a brief survey of recent progress in SDM and a taxonomy of up to date SDM experimental demonstrations and SDM network components. Finally we are discussing SDM research challenges and address fields of future interest.

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