Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMAMOTO S.,280Mbit/s single-mode fibre transmission with DFB laser diode emitting at 1.53μm,Electron. Lett.,,,1982,18,5,239-240,https://cir.nii.ac.jp/crid/1571698599003895680,