Transformation metamaterials

L Xu, H Chen - Advanced Materials, 2021 - Wiley Online Library
Based on the form‐invariance of Maxwell's equations under coordinate transformations,
mathematically smooth deformation of space can be physically equivalent to …

Hyperbolic metamaterials: From dispersion manipulation to applications

Z Guo, H Jiang, H Chen - Journal of Applied Physics, 2020 - pubs.aip.org
Manipulating the properties of the isofrequency contours (IFCs) of materials provides a
powerful means of controlling the interaction between light and matter. Hyperbolic …

Transformation optics: From classic theory and applications to its new branches

F Sun, B Zheng, H Chen, W Jiang… - Laser & Photonics …, 2017 - Wiley Online Library
In the modern world, the ability to manipulate and control electromagnetic waves has greatly
changed people's lives. Novel optical and electromagnetic phenomena and devices will …

Wave–matter interactions in epsilon-and-mu-near-zero structures

AM Mahmoud, N Engheta - Nature communications, 2014 - nature.com
In recent years, the concept of metamaterials has offered platforms for unconventional
tailoring and manipulation of the light–matter interaction. Here we explore the notion of …

Real and imaginary properties of epsilon-near-zero materials

MH Javani, MI Stockman - Physical review letters, 2016 - APS
From the fundamental principle of causality we show that epsilon-near-zero (ENZ) materials
with a very low (asymptotically zero) intrinsic dielectric loss do necessarily possess a very …

A thermal–EM concentrator for enhancing EM signals and focusing heat fluxes simultaneously

H Chen, Y Liu, F Sun, Q Sun, X Wu… - Laser & Photonics …, 2024 - Wiley Online Library
The simultaneous concentration of electromagnetic (EM) waves and heat fluxes in the same
target region within an on‐chip system has substantial academic research importance and …

Dielectric metamaterials with effective self-duality and full-polarization omnidirectional brewster effect

H Luo, J Luo, Z Zhang, C Wu, Q Li, W Liu… - Light: Science & …, 2024 - nature.com
Conventional dielectric solid materials, both natural and artificial, lack electromagnetic self-
duality and thus require additional coatings to achieve impedance matching with free space …

Revealing the transformation invariance of full-parameter omnidirectional invisibility cloaks

B Zheng, H Lu, C Qian, D Ye, Y Luo… - Electromagnetic …, 2023 - ieeexplore.ieee.org
Searching for an optimal solution among many nonunique answers provided by
transformation optics is critical for many branches of research, such as the burgeoning …

Low-gain generalized PT symmetry for electromagnetic impurity-immunity via non-Hermitian doped zero-index materials

C Liu, D Yan, B Sun, Y Xu, F Cao, L Gao… - Photonics Research, 2024 - opg.optica.org
Parity-time-symmetric (PT-symmetric) metasurfaces exhibit a plethora of fascinating
exceptional-point-induced phenomena, including unidirectional negative refraction and …

Transformation‐Invariant Laplacian Metadevices Robust to Environmental Variation

Y Huang, J Zhang, Q Yang, L Meng, T Yang… - Advanced …, 2025 - Wiley Online Library
As one of the typical applications of metamaterials, the invisibility cloak has raised vast
research interests. After many years' research efforts, the invisibility cloak has extended its …