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Strong mid-infrared photoresponse in small-twist-angle bilayer graphene
Bingchen Deng, Chao Ma, Qiyue Wang +5
Recently the small-twist-angle (< 2°) bilayer graphene has received extraordinary attentions due to its exciting physical properties. Compared with monolayer graphene, the Brilloui…
Beyond Graphene: Low-Symmetry and Anisotropic 2D Materials
Salvador Barraza-Lopez, Fengnian Xia, Wenjuan Zhu +1
Low-symmetry 2D materials---such as ReS and ReSe monolayers, black phosphorus monolayers, group-IV monochalcogenide monolayers, borophene, among others---have more complex…
Plasmonics in Atomically-Thin Crystalline Silver Films
Zakaria M. Abd El-Fattah, Vahagn Mkhitaryan, Jens Brede +9
Light-matter interaction at the atomic scale rules fundamental phenomena such as photoemission and lasing, while enabling basic everyday technologies, including photovoltaics and o…
Efficient Electrical Detection of Mid-Infrared Graphene Plasmons at Room Temperature
Qiushi Guo, Renwen Yu, Cheng Li +4
Optical excitation and subsequent decay of graphene plasmons can produce a significant increase in charge-carrier temperature. An efficient method to convert this temperature eleva…
Coupling-Enhanced Broadband Mid-Infrared Light Absorption in Graphene Plasmonic Nanostructures
Bingchen Deng, Qiushi Guo, Cheng Li +6
Plasmons in graphene nanostructures show great promise for mid-infrared applications ranging from a few to tens of microns. However, mid-infrared plasmonic resonances in graphene n…
Efficient Electrical Control of Thin-Film Black Phosphorus Bandgap
Bingchen Deng, Vy Tran, Hao Jiang +10
Recently rediscovered black phosphorus is a layered semiconductor with promising electronic and photonic properties. Dynamic control of its bandgap can enable novel device applicat…