Bidirectional WDM-Radio Over Fiber System With Sub Carrier Multiplexing Using a Reflective SOA and Cyclic AWGs

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Executive Summary

A bidirectional SCM-WDM RoF network using a Reflective Semiconductor Optical Amplifier (RSOA) and cyclic Arrayed Waveguide Gratings (AWGs) was proposed and demonstrated. The purposed RoF network utilizes Sub Carrier Multiplexed (SCM) signals for down-link and an On-Off Keying (OOK) signals re-modulated for up-link. In this paper, A 50 km range colorless WDM-ROF was demonstrated for both 1 Gbit/s downstream and upstream signals. The BER performance of the authors' scheme shows that their scheme is a practical solution to meet the data rate and cost-efficient of the optical links simultaneously in tomorrow's ROF access networks.

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