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Ultrabroad-Band Direct Digital Refractive Index Imaging Based on Suspended Graphene Plasmon Cavities
Xiaofei Xiao, Stefan A. Maier, Vincenzo Giannini
Mid-infrared spectroscopy is essential for chemical identification and compositional analysis, due to the existence of characteristic molecular absorption fingerprints. However, it…
Tuning the period of femtosecond laser induced surface structures in steel: from angled incidence to quill writing
Yasser Fuentes-Edfuf, José A. Sánchez-Gil, Marina Garcia Pardo +5
Exposure of metal surfaces to multiple ultrashort laser pulses under certain conditions leads to the formation of well-defined periodic surface structures. We show how the period o…
Berry bands and pseudo-spin of topological photonic phases
Samuel J. Palmer, Vincenzo Giannini
Realising photonic analogues of the robust, unidirectional edge states of electronic topological insulators would improve our control of light on the nanoscale and revolutionise th…
Near- and Far-Field Excitation of Topological Plasmonic Metasurfaces
Matthew Proctor, Xiaofei Xiao, Richard V. Craster +3
The breathing honeycomb lattice hosts a topologically non-trivial bulk phase due to the crystalline-symmetry of the system. Pseudospin-dependent edge states which emerge at the int…