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Multi-mode fiber (MMF) links are expected to greatly enhance capacity to cope with rapidly increasing data traffic in optical short-reach systems and networks. Recently, mode division multiplexing (MDM) over MMF has been proposed, in which different modes in MMF are utilized as spatial channels for data transmission. Strongly-coupled MDM techniques utilizing coherent detection and multiplex-input-multiplex-output...
We propose a novel cost-effective mode division multiplexing and wavelength division multiplexing (MDM-WDM) reconfigurable optical Add/Drop multiplexer (ROADM) scheme based on wavelength reuse and experimentally demonstrate its feasibility. The proposed scheme could reduce system cost and simplify the wavelength management.
Weakly-coupled mode-division-multiplexing (MDM) is a promising approach to overcome the capacity crunch in optical transmission systems and networks. In this paper, we present the latest progresses of weakly-coupled MDM transmission over multi-mode fiber (MMF) or few-mode fiber (FMF) supporting large quantity of independent modes with intensity modulation and direct detection.
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