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Opt Express. 2014 Jul 28;22(15):18543-55. doi: 10.1364/OE.22.018543.

A 60 Gb/s MDM-WDM Si photonic link with < 0.7 dB power penalty per channel.

Optics express

Jeffrey B Driscoll, Christine P Chen, Richard R Grote, Brian Souhan, Jerry I Dadap, Aaron Stein, Ming Lu, Keren Bergman, Richard M Osgood

PMID: 25089474 DOI: 10.1364/OE.22.018543

Abstract

Mode-division-multiplexing (MDM) and wavelength-division-multiplexing (WDM) are employed simultaneously in a multimode silicon waveguide to realize on-chip MDM and MDM-WDM transmission. Asymmetric Y-junction MDM multiplexers and demultiplexers are utilized for low coherently suppressed demultiplexed crosstalk at the receiver. We demonstrate aggregate bandwidths of 20 Gb/s and 60 Gb/s for MDM and MDM-WDM on-chip links, respectively, with measured 10(-9) BER power penalties between 0.1 dB and 0.7 dB per channel.

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