Nonlinear optical effects in epsilon-near-zero media

O Reshef, I De Leon, MZ Alam, RW Boyd - Nature Reviews Materials, 2019 - nature.com
Efficient nonlinear optical interactions are essential for many applications in modern
photonics. However, they typically require intense laser sources and long interaction …

Localized surface plasmon resonance in semiconductor nanocrystals

A Agrawal, SH Cho, O Zandi, S Ghosh… - Chemical …, 2018 - ACS Publications
Localized surface plasmon resonance (LSPR) in semiconductor nanocrystals (NCs) that
results in resonant absorption, scattering, and near field enhancement around the NC can …

Amplified emission and lasing in photonic time crystals

M Lyubarov, Y Lumer, A Dikopoltsev, E Lustig… - Science, 2022 - science.org
Photonic time crystals (PTCs), materials with a dielectric permittivity that is modulated
periodically in time, offer new concepts in light manipulation. We study theoretically the …

[HTML][HTML] Broadband frequency translation through time refraction in an epsilon-near-zero material

Y Zhou, MZ Alam, M Karimi, J Upham, O Reshef… - Nature …, 2020 - nature.com
Abstract Space-time duality in paraxial optical wave propagation implies the existence of
intriguing effects when light interacts with a material exhibiting two refractive indexes …

Metasurface-based realization of photonic time crystals

X Wang, MS Mirmoosa, VS Asadchy, C Rockstuhl… - Science …, 2023 - science.org
Photonic time crystals are artificial materials whose electromagnetic properties are uniform
in space but periodically vary in time. The synthesis of these materials and experimental …

Near-zero refractive index photonics

I Liberal, N Engheta - Nature Photonics, 2017 - nature.com
Structures with near-zero parameters (for example, media with near-zero relative permittivity
and/or relative permeability, and thus a near-zero refractive index) exhibit a number of …

Large optical nonlinearity of indium tin oxide in its epsilon-near-zero region

MZ Alam, I De Leon, RW Boyd - Science, 2016 - science.org
Nonlinear optical phenomena are crucial for a broad range of applications, such as
microscopy, all-optical data processing, and quantum information. However, materials …

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 …

[HTML][HTML] Ultrafast all-optical tuning of direct-gap semiconductor metasurfaces

MR Shcherbakov, S Liu, VV Zubyuk, A Vaskin… - Nature …, 2017 - nature.com
Optical metasurfaces are regular quasi-planar nanopatterns that can apply diverse spatial
and spectral transformations to light waves. However, metasurfaces are no longer …

Emerging low‐dimensional materials for nonlinear optics and ultrafast photonics

X Liu, Q Guo, J Qiu - Advanced Materials, 2017 - Wiley Online Library
Low‐dimensional (LD) materials demonstrate intriguing optical properties, which lead to
applications in diverse fields, such as photonics, biomedicine and energy. Due to …