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19 November 2019 Grating-assisted MDM-PDM hybrid (de)multiplexer for optical interconnect applications
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In this paper, a grating assisted MDM-PDM hybrid (de)multiplexer based on the silicon-on-insulator (SOI) platform has been proposed and analyzed using coupled mode theory with effective index method (EIM). The proposed device consists of a multimode wide waveguide and five single mode narrow waveguides. The quasi- TE/TM modes of the wide waveguide are phase matched with the respective contra-propagating fundamental quasi-TE/TM modes of the single mode narrow waveguides. The phase matching conditions are satisfied by using different period gratings, which are surface corrugated on the wide waveguide. The proposed device structure exhibits good crosstalk, insertion loss, and return loss values.
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Manoranjan Minz, Darpan Mishra, Ramesh Kumar Sonkar, and Mohd. Mansoor Khan "Grating-assisted MDM-PDM hybrid (de)multiplexer for optical interconnect applications", Proc. SPIE 11193, Nanophotonics and Micro/Nano Optics V, 111930C (19 November 2019);

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