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Comparison of Chiral Metamaterial Designs for Repulsive Casimir Force
R. Zhao, Th. Koschny, E. N. Economou +1
In our previous work [Phys. Rev. Lett. 103, 103602 (2009)], we found that repulsive Casimir forces could be realized by using chiral metamaterials if the chirality is strong enough…
Confining Light in Deep Subwavelength Electromagnetic Cavities
V. Ginis, P. Tassin, C. M. Soukoulis +1
We demonstrate that it is possible to confine electromagnetic radiation in cavities that are significantly smaller than the wavelength of the radiation it encapsulates. To this aim…
Repulsive Casimir Force in Chiral Metamaterials
R. Zhao, J. Zhou, Th. Koschny +2
We demonstrate theoretically that one can obtain repulsive Casimir forces and stable nanolevitations by using chiral metamaterials. By extending the Lifshitz theory to treat chiral…
Lasing in metamaterial nanostructures
Anan Fang, Thomas Koschny, Costas M Soukoulis
A self-consistent computational scheme is presented for one dimensional (1D) and two dimensional (2D) metamaterial systems with gain incorporated into the nanostructures. The gain…
Negative refractive index due to chirality
Jiangfeng Zhou, Jianfeng Dong, Thomas Koschny +2
We demonstrate experimentally and numerically that metamaterials based on bilayer cross wires give giant optical activity, circular dichroism, and negative refractive index. The pr…
Negative refractive index response of weakly and strongly coupled optical metamaterials
Jiangfeng Zhou, Thomas Koschny, Maria Kafesaki +1
e present a detailed study of the retrieved optical parameters, electrical permittivity, magnetic permeability and refractive index, of the coupled fishnet metamaterial structures…
Optical anisotropic metamaterials: Negative refraction and focusing
Anan Fang, Thomas Koschny, Costas M. Soukoulis
We design three-dimensional (3D) metallic nanowire media with different structures and numerically demonstrate that they can be homogeneous effective indefinite anisotropic media b…
Self-consistent calculation of metamaterials with gain
A. Fang, Th. Koschny, M. Wegener +1
We present a computational scheme allowing for a self-consistent treatment of a dispersive metallic photonic metamaterial coupled to a gain material incorporated into the nanostruc…
Nonplanar Chiral Metamaterials with Negative Index
Bingnan Wang, Jiangfeng Zhou, Thomas Koschny +1
We demonstrate experimentally and numerically that nonplanar chiral metamaterials give giant optical activity, circular dichroism, and negative refractive index. The transmission,…