Large >0.2dB/µm Modulation Depth Double-Layer Graphene Electro-Absorption Modulator on Slot waveguide

Chenghan Wu,Zheng Wang,Julien Jussot,Steven Brems,Vivek Mootheri,Cedric Huyghebaert, Joris Van Campenhout,Marianna Pantouvaki,Dries Van Thourhout

Conference on Lasers and Electro-Optics（2022）

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摘要

We experimentally demonstrated >10 dB extinction ratio (ER) at 4 Vpp with a 50µm-long double-layer graphene electro-absorption modulator (DLG EAM) integrated on a silicon slot waveguide. Both the modulation depth (0.2dB/µm) and efficiency (0.070 dBV-1µm-1) exceed state-of-art.

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关键词

silicon slot waveguide,extinction ratio,long double-layer graphene electro-absorption modulator,modulation depth,Si-C

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Large &gt;0.2dB/µm Modulation Depth Double-Layer Graphene Electro-Absorption Modulator on Slot waveguide

Large >0.2dB/µm Modulation Depth Double-Layer Graphene Electro-Absorption Modulator on Slot waveguide