A compact double-layer graphene modulator on a silicon slot microring achieves 220 V·μm phase efficiency, >70 GHz bandwidth, and 50 Gbit/s operation at 1550 nm with broadband performance to 2 μm.
Zhanget al., 240 Gb/s optical transmission based on an ultrafast silicon microring modulator, Photon
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High-efficiency graphene-silicon slot-waveguide microring modulator at 1.5 {\mu}m and 2 {\mu}m wavelength bands
A compact double-layer graphene modulator on a silicon slot microring achieves 220 V·μm phase efficiency, >70 GHz bandwidth, and 50 Gbit/s operation at 1550 nm with broadband performance to 2 μm.