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50 papers
Large-area, freestanding single-crystal gold of single nanometer thickness
Chenxinyu Pan, Yuanbiao Tong, Haoliang Qian +14
Two-dimensional single-crystal metals are highly sought after for next-generation technologies. Here, we report large-area (>10^4 μm2), single-crystal two-dimensional gold with thi…
Dynamic dielectric metasurfaces via control of surface lattice resonances in non-homogeneous environment
Izzatjon Allayarov, Andrey B. Evlyukhin, Diane J. Roth +3
Dynamic control of metamaterials and metasurfaces is crucial for many photonic technologies, such as flat lenses, displays, augmented reality devices, and beam steering, to name a…
Hot-electron dynamics in plasmonic nanostructures
Jacob Khurgin, Anton Yu. Bykov, Anatoly V. Zayats
The coherent oscillations of mobile charge carriers near the surface of good conductors-surface plasmons-are been exploited in many applications in information technologies, clean…
Non-Diffractive 3D Polarisation Features of Optical Vortex Beams
Andrei Afanasev, Jack J. Kingsley-Smith, Francisco J. Rodríguez-Fortuño +1
Vector optical vortices exhibit complex polarisation patterns due to the interplay between spin and orbital angular momenta. Here we demonstrate, both analytically and with simulat…
Topological Transformation and Free-Space Transport of Photonic Hopfions
Yijie Shen, Bingshi Yu, Haijun Wu +3
Structured light fields embody strong spatial variations of polarisation, phase and amplitude. Understanding, characterization and exploitation of such fields can be achieved throu…
Optical skyrmions and other topological quasiparticles of light
Yijie Shen, Qiang Zhang, Peng Shi +3
Skyrmions are topologically stable quasiparticles that have been predicted and demonstrated in quantum fields, solid-state physics, and magnetic materials, but only recently observ…