Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IIZUKA Norio and KANEKO Kei and SUZUKI Nobuo,Prospects for intersubband transitions at optical telecommunication wavelengths,Oyo Buturi,0369-8009,The Japan Society of Applied Physics,2004-02-10,73,2,206-206,https://cir.nii.ac.jp/crid/1390564227312257792,https://doi.org/10.11470/oubutsu.73.2_206