著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Hodgkinson T. G.,In‐phase and quadrature detection using 90° optical hybrid receiver: Experiments and design considerations,IEE Proc. J.,,,1988,135,,3,https://cir.nii.ac.jp/crid/1370016862312372997,