A Fabry-Perot plasmonic modulation with graphene-based silicon grating in mid-infrared region

Xiaosai Wang; Jicheng Wang

doi:10.1117/12.2243349

3 November 2016 A Fabry-Perot plasmonic modulation with graphene-based silicon grating in mid-infrared region

Xiaosai Wang, Jicheng Wang

Proceedings Volume 10028, Plasmonics II; 1002813 (2016) https://doi.org/10.1117/12.2243349
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

We propose an ultra-compact graphene-based plasmonic modulation that is compatible with complementary metaloxide- semiconductor processing. The proposed structure uses a monolayer graphene as a mid-infrared surface waveguide, whose optical response is spatially modulated using electric fields to form a Fabry-Perot cavity. By varying the voltage acting on the cavity, the transmitted wavelength of the device could be controled at room temperature. The finite element method (FEM) has been employed to verify our designs. This design has potential applications in the graphene-based silicon optoelectronic devices as it offers new possibilities for developing new ultra-compact spectrometers and low-cost hyperspectral imaging sensors in mid-infrared region.

Citation Download Citation

Xiaosai Wang and Jicheng Wang "A Fabry-Perot plasmonic modulation with graphene-based silicon grating in mid-infrared region", Proc. SPIE 10028, Plasmonics II, 1002813 (3 November 2016); https://doi.org/10.1117/12.2243349

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