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

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Abstract

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.

© 2022 The Author(s)

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