Japanese National Projects on SDM Technologies

Yoshinari Awaji*, Yutaka Miyamoto, Tetsuya Miyazaki, Toshio Morioka, Itsuro Morita, Kazuhide Nakajima, Hidehiko Takara, Takehiro Tsuritani

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter


This chapter briefly describes pioneering Japanese national projects on SDM technologies, namely i-FREE (Innovative Optical Fiber Technologies: 2010–2012), i-ACTION (Innovative Optical Communication Infrastructure: 2011–2015), and i-FREE2 (Innovative Optical Fiber and Communication Technology for Exa-bit Era with SDM: 2013–2018), which led to setting a series of transmission capacity records per fiber of 1 Pbit/s (2012), 2 Pbit/s (2015), and 10 Pbit/s (2017) as well as capacity-distance product record of 1 Ebit/s·km (2013).

Original languageEnglish
Title of host publicationSpringer Series in Optical Sciences
PublisherSpringer Science and Business Media Deutschland GmbH
Number of pages16
Publication statusPublished - 2022

Publication series

NameSpringer Series in Optical Sciences
ISSN (Print)0342-4111
ISSN (Electronic)1556-1534

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials


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