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Ultraviolet (UV) electro-optic modulation system based on graphene-plasmonicmetamaterials nanomechanical system (NEMS) with superlubricity is investigated.Due to the strong optical absorption intensity of graphene in the UV region andthe combination of metamaterial structure based on surface plasmons, themodulation depth of the UV NEMS electro-optic modulator approaches as high as8.5 times compared to the counterpart modulator in visible light region.Meanwhile, the superlubricity significantly reduces the power consumption ofthe UV electro-optic modulation system due to its extremely low frictioncoefficient. It also significantly improves the response speed of themodulator, which can reach the order of a nanosecond. The modulation voltagecan be lower than 200 mV. The proposed electro-optic modulation system has asimple structure and high sensitivity, which is supposed to have importantapplications in UV optoelectronic devices and systems.

High sensitivity ultraviolet graphene-metamaterial integrated electro-optic modulator enhanced by superlubricity