Enhanced Light Absorption in All‐Polymer Biomimetic Photonic Structures by Near‐Zero‐Index Organic Matter
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202113039
Abstract: Natural photosynthetic photonic nanostructures can show sophisticated light matter-interactions including enhanced light absorption by slow light even for highly pigmented systems. Beyond fundamental biology aspects these natural nanostructures are very attractive as blueprints for advanced… read more here.
Keywords: matter; index; near zero; photonic structures ... See more keywords
Fundamental Radiative Processes in Near-Zero-Index Media of Various Dimensionalities
Sign Up to like & getrecommendations! Published in 2020 at "ACS Photonics"
DOI: 10.1021/acsphotonics.0c00782
Abstract: Spontaneous emission, stimulated emission and absorption are the three fundamental radiative processes describing light-matter interactions. Here, we theoretically study the behaviour of these fund... read more here.
Keywords: processes near; index media; fundamental radiative; zero index ... See more keywords
Pulse Reshaping in Double-zero-index Photonic Crystals with Dirac-like-cone Dispersion
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-65461-8
Abstract: Triply-degenerate Dirac-like cone at the Brillouin zone center attracts much research interest in recent years. Whether the linear dispersion in such a Dirac-like cone reflects the same physics to Dirac cones at the Brillouin zone… read more here.
Keywords: like cone; dirac like; index photonic; double zero ... See more keywords
Controlling graphene plasmons with a zero-index metasurface.
Sign Up to like & getrecommendations! Published in 2017 at "Nanoscale"
DOI: 10.1039/c7nr05555b
Abstract: Graphene plasmons, owing to their diverse applications including electro-optical modulation, optical sensing, spectral photometry and tunable lighting at the nanoscale, have recently attracted much attention. One key challenge in advancing this field is to precisely… read more here.
Keywords: zero index; index; index metasurface; graphene plasmons ... See more keywords
Inhibition and Enhancement of the Spontaneous Emission in Spherical Cavities Surrounded by Zero-Index-Materials
Sign Up to like & getrecommendations! Published in 2023 at "Physical Chemistry Chemical Physics"
DOI: 10.1039/d3cp01067h
Abstract: There exist resonance degeneracy and nesting in the spherical dielectric cavity embedded in an infinite zero-index-material (ZIM). However, its spontaneous emission (SE) has been scarcely studied. Here, we investigate the... read more here.
Keywords: spontaneous emission; inhibition enhancement; enhancement spontaneous; zero index ... See more keywords
Zero-index metamaterials for Dirac fermion in graphene
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.085431
Abstract: We study the response of ballistic electron waves in graphene to a square array composed of gate-defined quantum dots when the incident energy is at the neutral point of the Dirac conical dispersion. The effective… read more here.
Keywords: dirac fermion; graphene; zero index; index metamaterials ... See more keywords
Three-Dimensional Acoustic Double-Zero-Index Medium with a Fourfold Degenerate Dirac-like Point.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.124.074501
Abstract: We report the first realization of a three-dimensional (3D) acoustic double-zero-index medium (DZIM) made of a cubic lattice of metal rods. While the past decade has seen several realizations of 2D DZIM, achieving such a… read more here.
Keywords: double zero; medium; zero index; acoustic double ... See more keywords
Highly switchable absorption in a metal hydride device using a near-zero-index substrate.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.450724
Abstract: Optical switchability is an important functionality for photonic devices, which allows them to accommodate a wide range of applications. One way to achieve this switchability is to utilize the reversible and tunable optical changes of… read more here.
Keywords: near zero; substrate; zero index; device ... See more keywords
A low-loss zero-index photonic crystal slab based on toroidal dipole mode.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.464584
Abstract: Zero-index medium has profound application for light manipulation. Certain types of dielectric photonic crystals (PCs) may have zero effective index since they form Dirac cone at the Γ point of their band structure. Although zero… read more here.
Keywords: toroidal dipole; index; dipole mode; zero index ... See more keywords
Homogeneous Zero-Index Thermal Metadevice for Thermal Camouflaging and Super-Expanding
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16103657
Abstract: The infinite effective thermal conductivity (IETC) can be considered to be an equivalence of the effective zero index in photonics. A recent highly rotating metadevice has been discovered to approach near IETC, subsequently demonstrating a… read more here.
Keywords: thermal metadevice; index; index thermal; zero index ... See more keywords