著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) KAHN J. M.,Spectral Efficiency Limits and Modulation/Detection Techniques for DWDM Systems,J. Selected Topics in Quantum Electorn,,,2004,10,,259-272,https://cir.nii.ac.jp/crid/1572543026623777408,