Mode-division multiplexing (MDM) is an attractive solution for future on-chip networks to\nenhance the optical transmission capacity with a single laser source. A mode-division reconfigurable\noptical add/drop multiplexer (ROADM) is one of the key components to construct flexible and\ncomplex on-chip optical networks for MDM systems. In this paper, we report on a novel scheme\nof mode-division ROADM with mode-selective silicon photonic MEMS (micro-electromechanical\nsystem) switches.............
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