Electrical tuning of reflectance of graphene metasurface for unpolarized long wavelength infrared light
VR Shrestha, Y Gao, M Amani, J Bullock, A Javey, KB Crozier
Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF) | Published : 2018
We demonstrate a graphene-metal metasurface for unpolarized long wavelength infrared light with electrically-tunable reflectance. By applying a gate voltage, we shift the wavelength of a resonant reflectance dip centered at ~9.4 micron by~156 nm.