Text ( visual ) : unmediated 2021 European Conference on Optical Communication (ECOC 2021) : Bordeaux, France 13-16 September 2021. -- [v. 1]. -- Piscataway, NJ : IEEE ; Red Hook, NY : Curran Associates , c2021. -- 627 p. : ill. ; 28 cm. -- "IEEE Catalog Number: CFP21425-POD" ; Includes bibliographical references and author index. -- (BC14607375) ; https://ci.nii.ac.jp/ncid/BC14607375 Author Heading(s): European Conference on Optical Communication ; Institute of Electrical and Electronics Engineers. -- Classification(s): LCC : TK5103.59 ; DC20 : 621.382/7. -- Subject Heading(s): LCSH : Optical communications -- Congresses