Hyperbolic Metamaterials

Smolyaninov, Igor I.

doi:10.1142/9789813228696_0003

Cited by 1,251 publications

(2 citation statements)

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“…As is mentioned before, the hyperbolic metamaterials demonstrates the curved space-time, including (1 + 2)-Minkowski spacetime, back hole, wormhole, and two-times physics [38][39][40][41][42][43][44][45]. Indeed, one dimension, in the hyperbolic metamaterials, can be considered as a "time-like" coordinate whereas other dimensions indicate spatial coordinates [13,14,42].…”

Section: Realization Of the Schwarzschild Black Hole By Hyperbolic Mementioning

confidence: 97%

“…[10][11][12][13][14][15][16]; second, discuss the aforementioned experimental progresses to demonstrate the celestial objects such as black holes, worm holes, FRW universe and Gödel universe, etc. in the laboratory ; and third, illustrate the curved space-time and two-time physics realizations in hyperbolic metamaterials to invite discussion for the advancement of theoretical physics [38][39][40][41][42][43][44][45]. Two challenging opportunities for continued research in this field of study present themselves: first, deeper theoretical understanding of curved space-time transformation optics as well as realization in hyperbolic metamaterials, which would improve upon current understanding of curved space transformation optics [46][47][48][49]; second, progress in the engineering of metamaterial refractive indexes which would support future realization of celestial objects in the laboratory with properties as close to the original objects as possible [46].…”

Section: Introductionmentioning

confidence: 99%

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Review of Black Hole Realization in Laboratory Base on Transformation Optics (Invited Paper)

Dehdashti¹,

Wang²,

Jiang³

et al. 2015

PIER

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Abstract-Realizations of celestial objects in the laboratory have been a tantalizing subject for human beings over centuries. In this paper, we review some of the interesting cases of realizations of black holes in the laboratory. We first review the recent progress in observed black holes realized through the isotropic coordinate transformation method, then discuss the realization of optical attractors. Finally, the Rindler space-time, as a one-dimensional black hole, by using the hyperbolic metamaterials, is discussed.

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Section: Realization Of the Schwarzschild Black Hole By Hyperbolic Mementioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Review of Black Hole Realization in Laboratory Base on Transformation Optics (Invited Paper)

Dehdashti¹,

Wang²,

Jiang³

et al. 2015

PIER

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Anomalous absorption, plasmonic resonances, and invisibility of radially anisotropic spheres

2015

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This article analyzes the response of a sphere with radially anisotropic permittivity dyadic (RA sphere), in both the electrostatic and full electrodynamic settings. Depending on the values and signs of the permittivity components, the quasistatic polarizability of the RA sphere exhibits several very different interesting properties, including invisibility, field concentration, resonant singularities, and emergent losses. Special attention is given to the anomalous losses that appear in the case of certain hyperbolic anisotropy values. We show that their validity can be justified in a limiting sense by puncturing the sphere at the origin and adding a small imaginary part into the permittivity components. A hyperbolic RA sphere with very small intrinsic losses can thus have significant effective losses making it an effective absorber. With different choices of permittivities, the RA sphere could also perform as a cloak or a sensor. The Mie scattering results by an RA sphere are used to justify the quasistatic calculations. It is shown that in the small parameter limit the absorption efficiency of an RA sphere is nonzero for certain lossless hyperbolic anisotropies. The absorption and scattering efficiencies agree with the quasistatic calculations fairly well for spheres with size parameters up to 1/3.

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