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Mid-infrared plasmons in scaled graphene nanostructures
Hugen Yan, Tony Low, Wenjuan Zhu +6
Plasmonics takes advantage of the collective response of electrons to electromagnetic waves, enabling dramatic scaling of optical devices beyond the diffraction limit. Here, we dem…
Structure and electronic transport in graphene wrinkles
Wenjuan Zhu, Tony Low, Vasili Perebeinos +5
Wrinkling is a ubiquitous phenomenon in two-dimensional membranes. In particular, in the large-scale growth of graphene on metallic substrates, high densities of wrinkles are commo…
Plasmonics of coupled graphene micro-structures
Hugen Yan, Fengnian Xia, Zhiqiang Li +1
The optical response of graphene micro-structures, such as micro-ribbons and disks, is dominated by the localized plasmon resonance in the far infrared (IR) spectral range. An ense…
Magnetic field tuning of terahertz Dirac plasmons in graphene
Hugen Yan, Zhiqiang Li, Xuesong Li +3
Boundaries and edges of a two dimensional system lower its symmetry and are usually regarded, from the point of view of charge transport, as imperfections. Here we present a first…
Manipulating infrared photons using plasmons in transparent graphene superlattices
Hugen Yan, Xuesong Li, Bhupesh Chandra +6
Superlattices are artificial periodic nanostructures which can control the flow of electrons. Their operation typically relies on the periodic modulation of the electric potential…