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Optical toroidal dipolar response by an asymmetric double-bar metamaterial
Zheng-Gao Dong, J. Zhu, Junsuk Rho +4
We demonstrate that the toroidal dipolar response can be realized in the optical regime by designing a feasible nanostructured metamaterial, comprising asymmetric double-bar magnet…
Toroidal dipole response in a multifold double-ring metamaterial
Zheng-Gao Dong, Peigen Ni, Jie Zhu +2
The toroidal response is numerically investigated in a multifold double-ring metamaterials at the antibonding magnetic-dipole mode (i.e., antiparallel magnetic dipoles in one doubl…
Nonparaxial Mathieu and Weber accelerating beams
Peng Zhang, Yi Hu, Tongcang Li +5
We demonstrate both theoretically and experimentally nonparaxial Mathieu and Weber accelerating beams, generalizing the concept of previously found accelerating beams. We show that…
Plasmonic Anti-Hermitian Coupling for Controlling Light at the Nanoscale
Shuang Zhang, Ziliang Ye, Yuang Wang +5
Open quantum systems consisting of coupled bound and continuum states have been studied in a variety of physical systems, particularly within the scope of nuclear, atomic and molec…
Switching teraherz waves with gate-controlled active graphene metamaterials
Seung Hoon Lee, Muhan Choi, Teun-Teun Kim +9
The extraordinary electronic properties of graphene, such as its continuously gate-variable ambipolar field effect and the resulting steep change in resistivity, provided the main…
A Carpet Cloak Device for Visible Light
Majid Gharghi, Christopher Gladden, Thomas Zentgraf +4
We report an invisibility carpet cloak device, which is capable of making an object undetectable by visible light. The cloak is designed using quasi conformal mapping and is fabric…