Broadband etching-free metal grating couplers embedded in titanium dioxide waveguides

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TitreBroadband etching-free metal grating couplers embedded in titanium dioxide waveguides
Type de publicationJournal Article
Year of Publication2017
AuteursLamy M, Hammani K, Arocas J, Finot C, Weeber J-C
JournalOPTICS LETTERS
Volume42
Pagination2778-2781
Date PublishedJUL 15
Type of ArticleArticle
ISSN0146-9592
Résumé

Metal grating couplers embedded into a titanium dioxide layer are proposed. A coupling efficiency better than 20% is experimentally demonstrated with a 3 dB bandwidth of 86 nm which is in agreement with simulation results. This allowed us to perform error-free transmissions of 10 Gbit/s wavelength multiplexed signals in the C-band. (C) 2017 Optical Society of America

DOI10.1364/OL.42.002778