Results 51 to 60 of about 148,104 (231)
Comparison of gold- and graphene-based resonant nano-structures for terahertz metamaterials and an ultra-thin graphene-based modulator [PDF]
, 2014 Graphene exhibits unique material properties and in electromagnetic wave technology, it raises the prospect of devices miniaturized down to the atomic length scale.
Koschny, Thomas +3 more
core +2 more sources
Plasmonic Terahertz Amplification in Graphene-Based Asymmetric Hyperbolic Metamaterial
Photonics, 2015 We propose and theoretically explore terahertz amplification, based on stimulated generation of plasmons in graphene asymmetric hyperbolic metamaterials (AHMM), strongly coupled to terahertz radiation.
Igor Nefedov, Leonid Melnikov
doaj +1 more source
A Review on Metamaterials for Device Applications
Crystals, 2021 Metamaterials are the major type of artificially engineered materials which exhibit naturally unobtainable properties according to how their microarchitectures are engineered.
N. Suresh Kumar +4 more
doaj +1 more source
Terahertz metamaterials on free-standing highly-flexible polyimide substrates
, 2008 We have fabricated resonant terahertz metamaterials on free standing polyimide substrates. The low-loss polyimide substrates can be as thin as 5.5 micron yielding robust large-area metamaterials which are easily wrapped into cylinders with a radius of a ...
A C Strikwerda +8 more
core +1 more source
Superconductor terahertz metamaterials [PDF]
, 2019 Terahertz metamaterials showcase tremendous potential for plethora of applications ranging from biochemical sensing, high-speed wireless communication, and efficient modulators. Conventional terahertz metamaterials are made of noble metals. Incorporating superconductors in terahertz metamaterials potentially provide unprecedented opportunities to ...
openaire +3 more sources
Metamaterial-Based Terahertz Imaging [PDF]
IEEE Transactions on Terahertz Science and Technology, 2015 This article presents the design of an innovative, low-cost, uncooled, metamaterial based terahertz (THz) focal plane array (FPA). A single pixel is composed of a resonant metamaterial absorber and micro-bolometer sensor integrated in a standard 180 nm CMOS process.
Escorcia Carranza, Ivonne +3 more
openaire +2 more sources
Color and Kerr rotation in a dielectric/ferromagnetic double layers structure
AIP Advances, 2017 By the multiple reflections and transmissions in a dielectric on a ferromagnetic metal, color and Kerr rotation correlate with each other. It is revealed that the real refractive index of dielectric plays a major role on the variations of color and Kerr ...
Jing Zhang +3 more
doaj +1 more source
Negative index and mode coupling in all-dielectric metamaterials at terahertz frequencies [PDF]
, 2017 We report on the role of the coupling of the modes of Mie resonances in all-dielectric metamaterials to ensure negative effective index at terahertz frequencies.
Akmansoy, Eric, Marcellin, Simon
core +4 more sources
Nonlinear terahertz devices utilizing semiconducting plasmonic metamaterials
, 2015 The development of responsive metamaterials has enabled the realization of compact tunable photonic devices capable of manipulating the amplitude, polarization, wave vector, and frequency of light. Integration of semiconductors into the active regions of
Averitt, Richard D. +8 more
core +1 more source
Progress of terahertz metamaterials
Acta Physica Sinica, 2015 In the past decades, terahertz metamaterials have attracted considerable attention due to the capability of realizing essential terahertz functional devices and potential applications in sensing, imaging, spectroscopy and monitoring. In this review, we first present a brief introduction to the theory and development of terahertz metamaterials, and then
Cui Tie-Jun, Shen Xiao-Peng, Bao Di
openaire +1 more source