Direct Optical Probing of Transverse Electric Mode in Graphene
arXiv:1511.07968 · doi:10.1038/srep21523
Abstract
Unique electrodynamic response of graphene implies a manifestation of an unusual propagating and localised transverse-electric (TE) mode near the spectral onset of interband transitions. However, excitation and further detection of the TE mode supported by graphene is considered to be a challenge for it is extremely sensitive to excitation environment and phase matching condition adherence. Here for the first time, we experimentally prove an existence of the TE mode by its direct optical probing, demonstrating significant coupling to an incident wave in electrically doped multilayer graphene sheet at room temperature. We believe that proposed technique of careful phase matching and obtained access to graphene TE excitation would stimulate further studies of this unique phenomenon, and enable its potential employing in various fields of photonics as well as for characterization of graphene.
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- Collective magnetic excitations in AA- and AB-stacked graphene bilayers
- Voltage Tunable Plasmon Propagation in Dual Gated Bilayer Graphene
- Photonic band-gap transmission map of graphene in a defective optical structure
- Exact theory of edge diffraction and launching of transverse electric plasmons at two-dimensional junctions
- Two-dimensional moiré phonon polaritons