24 January 2012 Optical coherent technologies in next generation access networks
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This paper reviews optical coherent technologies in next generation access networks with the use of radio over fiber (RoF), which offer key enabling technologies of wired and wireless integrated and/or converged broadband access networks to accommodate rapidly widespread cloud computing services. We describe technical issues on conventional RoF based on subcarrier modulation (SCM) and their countermeasures. Two examples of RoF access networks with optical coherent technologies to solve the technical issues are introduced; a video distribution system with FM conversion and wired and wireless integrated wide-area access network with photonic up- and down-conversion.
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Katsumi Iwatsuki, Katsumi Iwatsuki, Katsutoshi Tsukamoto, Katsutoshi Tsukamoto, } "Optical coherent technologies in next generation access networks", Proc. SPIE 8282, Broadband Access Communication Technologies VI, 828202 (24 January 2012); doi: 10.1117/12.907499; https://doi.org/10.1117/12.907499

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