Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M. Abe and K. Okamoto and Kazumasa Takada and I. Shibata,Ultra-high-density optical multi/demultiplexer using tandem configuration of primary and secondary AWGs,LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242),,IEEE,2002-11-13,1,,236-237,https://cir.nii.ac.jp/crid/1871709543227612032,https://doi.org/10.1109/leos.2001.969260