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In this paper, we propose a cost effective wavelength reused mode-division-multiplexing (MDM) system for high speed symmetrical bidirectional mobile fronthaul application. At the base band unit (BBU) pool, one of the spatial modes is used to transmit signal carrier while the others are used for downstream signal channels. At the remote radio unit (RRU) side, the signal carrier is firstly mode demultiplexed...
We propose a cost-effective, energy savings WDM-MDM PON scheme utilizing self-homodyne detection for high-speed/capacity access network with low mode-crosstalk FMF and MUX/DEMUX. A proof of concept 4×40 Gb/s OFDM signal over 55 km FMF with error free operation was experimentally demonstrated.
A cost-effective mode-division-multiplexing and time-division-multiplexing passive optical network (MDM-TDM PON) utilizing a self-coherent detection for upstream signal at optical line terminal (OLT) and a high-gain reflective semiconductor optical amplifier (RSOA) as an optical amplifier for a downstream signal at optical network units (ONUs) to enhance bidirectional power budget is proposed. Meanwhile,...
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