Articles with "zero index" as a keyword



Enhanced Light Absorption in All‐Polymer Biomimetic Photonic Structures by Near‐Zero‐Index Organic Matter

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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
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Fundamental Radiative Processes in Near-Zero-Index Media of Various Dimensionalities

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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
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Pulse Reshaping in Double-zero-index Photonic Crystals with Dirac-like-cone Dispersion

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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.

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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

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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

Simultaneous observation of zero-index band and quasibound state in the continuum in all dielectric photonic crystals

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Published in 2025 at "Journal of Applied Physics"

DOI: 10.1063/5.0233290

Abstract: Zero-index (ZI) photonic materials show the absence of spatial phase accumulation, making them a suitable candidate for many useful optical applications. On the other hand, a bound state in the continuum (BIC), having extremely high-quality… read more here.

Keywords: index band; state continuum; zero index; band ... See more keywords
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Zero-index metamaterials for Dirac fermion in graphene

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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.

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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

Design and Measurement of a Zero-Index Metasurface for Microwave Power Transmission Applications

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Published in 2025 at "IEEE Electron Device Letters"

DOI: 10.1109/led.2024.3505203

Abstract: In practical microwave power transmission (MPT) applications, the oblique incident angle always influences the captured power of the moving receiver. To mitigate this issue, a near-zero index metasurface (ZIM) is designed and investigated, the results… read more here.

Keywords: zero index; microwave power; index metasurface; power transmission ... See more keywords

An Optically Transparent Near-Zero-Index Grating Metamaterial for Enhanced On-Glass Millimeter-Wave Radiation

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Published in 2025 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2025.3543073

Abstract: An optically transparent antenna (OTA) based on a grating metamaterial is proposed for launching high-gain millimeter-wave radiation on glasses. This design incorporates a glass-based dielectric image line with a grating made of a transparent conductive… read more here.

Keywords: zero index; optically transparent; millimeter wave; near zero ... See more keywords

A Wideband Low-Profile Folded Transmitarray Antenna Based on Near-Zero-Index Metamaterials

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Published in 2025 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2025.3589683

Abstract: In this communication, a novel approach integrating near-zero-index metamaterials (NZIM) is proposed to effectively reduce the profile of conventional transmitarray (TA) antenna. By leveraging the zero-phase shift property of NZIM, this design not only reduces… read more here.

Keywords: zero index; low profile; index metamaterials; antenna ... See more keywords