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Weakly-coupled Si waveguide Bragg reflector enabled by precisely-controlled graphene oxide gratings

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Abstract

Enabled by atomically thickness control (0.26 nm/min) and loss engineering (0.28 dB/cm/min) of graphene oxide (GO) integrated silicon waveguide via ozone treatment, a low-loss (~5dB/cm) and narrowband (1.1-nm) GO/silicon hybrid waveguide Bragg reflector is demonstrated.

© 2017 Optical Society of America

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