Cherenkov polaritonic radiation in a natural hyperbolic material
Sign Up to like & getrecommendations! Published in 2019 at "Carbon"
DOI: 10.1016/j.carbon.2019.04.106
Abstract: Abstract The existence of the forward and the reverse Cherenkov radiation for phonon polaritons (PhPs) in a natural hyperbolic material is theoretically demonstrated. It is shown that the forward and reverse Cherenkov polaritonic radiation can… read more here.
Keywords: radiation; cherenkov polaritonic; natural hyperbolic; cherenkov ... See more keywords
A perfect absorber design using a natural hyperbolic material for harvesting solar energy
Sign Up to like & getrecommendations! Published in 2018 at "Solar Energy"
DOI: 10.1016/j.solener.2017.11.002
Abstract: Abstract A perfect absorber design is proposed here that uses a periodic array of pyramidal nanostructures, made from a natural hyperbolic material bismuth telluride (Bi2Te3) on a substrate. A numerical study is carried out to… read more here.
Keywords: energy; perfect absorber; hyperbolic material; absorber design ... See more keywords
The role of losses in determining hyperbolic material figures of merit
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-74398-1
Abstract: Uniaxial materials have achieved new prominence in photonics because they can have hyperbolic spectral regions with metallic (ε0) permittivities along different crystal axes. In the lossless case, this results in an open hyperboloid dispersion relation,… read more here.
Keywords: hyperbolic material; role losses; material figures; material ... See more keywords
Tamm phonon-polaritons triggered in hyperbolic material hexagonal boron nitride
Sign Up to like & getrecommendations! Published in 2024 at "Physica Scripta"
DOI: 10.1088/1402-4896/ad579c
Abstract: Tamm phonon polaritons (TPhPs) have been recently predicted and experimentally observed for the first time in silicon carbide (SiC) film, allowing for enhanced light–matter interactions and new opportunities for manipulating light at the micro- and… read more here.
Keywords: phonon polaritons; hyperbolic material; tamm phonon; material hexagonal ... See more keywords
Size-dependent optical properties of shallow quantum dot excitons close to a dielectric-hyperbolic material interface.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.417083
Abstract: The resonance frequency shift and the radiative decay rate of single quantum dot excitions in close proximity to a dielectric-hyperbolic material interface are theoretically investigated. The previous nonlocal susceptibility model for a quantum-confined exciton in… read more here.
Keywords: quantum dot; dielectric hyperbolic; material; hyperbolic material ... See more keywords
Narrowband directional chiral emission enabled by hyperbolic material α-MoO3.
Sign Up to like & getrecommendations! Published in 2025 at "Optics express"
DOI: 10.1364/oe.560584
Abstract: Chiral emission plays a pivotal role in the design of advanced sensors and thermal detectors. However, the ability to control the chiral emission of far-field thermal radiation over a fixed narrow angular range is an… read more here.
Keywords: hyperbolic material; chiral emission; emission; directional chiral ... See more keywords
Resonant Metasurfaces with Van Der Waals Hyperbolic Nanoantennas and Extreme Light Confinement
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DOI: 10.3390/nano14181539
Abstract: This work reports on a metasurface based on optical nanoantennas made of van der Waals material hexagonal boron nitride. The optical nanoantenna made of hyperbolic material was shown to support strong localized resonant modes stemming… read more here.
Keywords: van der; hyperbolic material; nanoantenna; der waals ... See more keywords