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Vanadium dioxide as a natural disordered metamaterial: perfect thermal emission and large broadband negative differential thermal emittance
Mikhail A. Kats, Romain Blanchard, Shuyan Zhang +4
We experimentally demonstrate that a thin (~150 nm) film of vanadium dioxide (VO2) deposited on sapphire has an anomalous thermal emittance profile when heated, which arises due to…
Generation of two-dimensional plasmonic bottle beams
Patrice Genevet, Jean Dellinger, Romain Blanchard +6
By analogy to the three dimensional optical bottle beam, we introduce the plasmonic bottle beam: a two dimensional surface wave which features a lattice of plasmonic bottles, i.e.…
Aberration-free ultra-thin flat lenses and axicons at telecom wavelengths based on plasmonic metasurfaces
Francesco Aieta, Patrice Genevet, Mikhail A. Kats +4
The concept of optical phase discontinuities is applied to the design and demonstration of aberration-free planar lenses and axicons, comprising a phased array of ultrathin subwave…
Giant birefringence in optical antenna arrays with widely tailorable optical anisotropy
Mikhail A. Kats, Patrice Genevet, Guillaume Aoust +5
The manipulation of light by conventional optical components such as a lenses, prisms and wave plates involves engineering of the wavefront as it propagates through an optically-th…