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Recent Development and Future Prospects of Optical Metro Networks and their Technologies

Author:
Inui, Tetsuro  Sahara, Akio  Takahashi, Tetsuo  


Journal:
OPTICAL METRO NETWORKS AND SHORT-HAUL SYSTEMS II


Issue Date:
2010


Abstract(summary):

This paper describes the broadband situation in Japan and the recent development of optical metro networks, their future prospects and technologies. First, the situation as regards the broadband infrastructure and internet traffic in Japan is overviewed. Then, the recent development of reconfigurable optical add drop multiplexers (ROADMs) in optical metro networks is reviewed. Finally, the future prospects for optical metro networks are described with particular emphasis on 100Gbit/s standardization, sub-lambda function, and colorless/directionless ROADMs.


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