Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIMIZU K.,"1.28-Tb/s (32x40 Gb/s), 202-km Unrepeatered Transmission with Fiber-Effective-Area Management for Distributed Raman Amplification Transmission Line","Technical Digest of 25th Optical Fiber Communication Conference, Anaheim, California, Mar. 2001",,,2001,,,,https://cir.nii.ac.jp/crid/1570291225170690048,