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Proceedings Paper

Recent development and future prospects of optical metro networks and their technologies
Author(s): Tetsuro Inui; Akio Sahara; Tetsuo Takahashi
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Paper Abstract

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-λ function, and colorless/directionless ROADMs.

Paper Details

Date Published: 22 January 2010
PDF: 11 pages
Proc. SPIE 7621, Optical Metro Networks and Short-Haul Systems II, 762106 (22 January 2010); doi: 10.1117/12.846961
Show Author Affiliations
Tetsuro Inui, NTT Network Innovation Labs. (Japan)
Akio Sahara, NTT Network Innovation Labs. (Japan)
Tetsuo Takahashi, NTT Network Innovation Labs. (Japan)


Published in SPIE Proceedings Vol. 7621:
Optical Metro Networks and Short-Haul Systems II
Werner Weiershausen; Benjamin Dingel; Achyut Kumar Dutta; Atul K. Srivastava, Editor(s)

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