Near-zero-index materials for photonics

N Kinsey, C DeVault, A Boltasseva… - Nature Reviews …, 2019‏ - nature.com
The discovery, design and development of materials are critically linked to advances in
many areas of research, and optics is no exception. Recently, the spectral region in which …

Epsilon‐near‐zero photonics: a new platform for integrated devices

X Niu, X Hu, S Chu, Q Gong - Advanced Optical Materials, 2018‏ - Wiley Online Library
Abstract Epsilon‐near‐zero (ENZ) photonics is the study of light–matter interactions in the
presence of structures with near‐zero permittivity and has been emerging as an important …

Large optical nonlinearity of nanoantennas coupled to an epsilon-near-zero material

MZ Alam, SA Schulz, J Upham, I De Leon, RW Boyd - Nature Photonics, 2018‏ - nature.com
The size and operating energy of a nonlinear optical device are fundamentally constrained
by the weakness of the nonlinear optical response of common materials. Here, we report …

All-optical switching of an epsilon-near-zero plasmon resonance in indium tin oxide

J Bohn, TS Luk, C Tollerton, SW Hutchings… - Nature …, 2021‏ - nature.com
Nonlinear optical devices and their implementation into modern nanophotonic architectures
are constrained by their usually moderate nonlinear response. Recently, epsilon-near-zero …

Semiconductor infrared plasmonics

T Taliercio, P Biagioni - Nanophotonics, 2019‏ - degruyter.com
The coupling between light and collective oscillations of free carriers at metallic surfaces
and nanostructures is at the origin of one of the main fields of nanophotonics: plasmonics …

Engineering the temporal dynamics of all-optical switching with fast and slow materials

S Saha, BT Diroll, MG Ozlu, SN Chowdhury… - Nature …, 2023‏ - nature.com
All-optical switches control the amplitude, phase, and polarization of light using optical
control pulses. They can operate at ultrafast timescales–essential for technology-driven …

Field-effect tunable and broadband epsilon-near-zero perfect absorbers with deep subwavelength thickness

A Anopchenko, L Tao, C Arndt, HWH Lee - ACS Photonics, 2018‏ - ACS Publications
We report perfect light absorption due to the excitation of bound and radiative p-polarized
optical modes in epsilon-near-zero (ENZ) conducting oxide nanolayers with thicknesses as …

Negative refraction in time-varying strongly coupled plasmonic-antenna–epsilon-near-zero systems

V Bruno, C DeVault, S Vezzoli, Z Kudyshev, T Huq… - Physical review …, 2020‏ - APS
Time-varying metasurfaces are emerging as a powerful instrument for the dynamical control
of the electromagnetic properties of a propagating wave. Here we demonstrate an efficient …

Efficient and high-quality absorption enhancement using epsilon-near-zero cylindrical nano-shells constructed by graphene

SH Raad, M Afshari-Bavil, D Liu - Scientific Reports, 2024‏ - nature.com
This paper presents a detailed scattering analysis of a hollow-core plasmonic-shell
cylindrical wire to design an efficient, compact, narrowband, and reconfigurable optical …

Nanoscale nonlinear plasmonics in photonic waveguides and circuits

A Tuniz - La Rivista del Nuovo Cimento, 2021‏ - Springer
Optical waveguides are the key building block of optical fiber and photonic integrated circuit
technology, which can benefit from active photonic manipulation to complement their …