Photonics of time-varying media

E Galiffi, R Tirole, S Yin, H Li, S Vezzoli… - Advanced …, 2022 - spiedigitallibrary.org
Time-varying media have recently emerged as a new paradigm for wave manipulation, due
to the synergy between the discovery of highly nonlinear materials, such as epsilon-near …

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 …

Transparent conducting oxides: from all-dielectric plasmonics to a new paradigm in integrated photonics

W Jaffray, S Saha, VM Shalaev… - Advances in Optics …, 2022 - opg.optica.org
During the past few years, the optics and photonics communities have renewed their
attention toward transparent conducting oxides (TCOs), which for over two decades have …

Post-2000 nonlinear optical materials and measurements: data tables and best practices

N Vermeulen, D Espinosa, A Ball… - Journal of Physics …, 2023 - iopscience.iop.org
In its 60 years of existence, the field of nonlinear optics has gained momentum especially
over the past two decades thanks to major breakthroughs in material science and …

Saturable time-varying mirror based on an epsilon-near-zero material

R Tirole, E Galiffi, J Dranczewski, T Attavar… - Physical Review …, 2022 - APS
We report a switchable time-varying mirror, composed of an indium-tin-oxide–gold bilayer,
displaying a tenfold modulation of reflectivity (Δ R≈ 0.6), which saturates for a driving-pump …

Adiabatic frequency shifting in epsilon-near-zero materials: the role of group velocity

JB Khurgin, M Clerici, V Bruno, L Caspani, C DeVault… - Optica, 2020 - opg.optica.org
The conversion of a photon's frequency has long been a key application area of nonlinear
optics. It has been discussed how a slow temporal variation of a material's refractive index …

Manufacturing-enabled tunability of linear and nonlinear epsilon-near-zero properties in indium tin oxide nanofilms

C Huang, S Peng, X Liu, J Wu, H Fu, L Lu… - … Applied Materials & …, 2023 - ACS Publications
Epsilon-near-zero (ENZ) materials have attracted great interest due to their exotic linear and
nonlinear responses, which makes it significant to tune ENZ wavelengths for wavelength …

Absorptive loss and band non-parabolicity as a physical origin of large nonlinearity in epsilon-near-zero materials

R Secondo, J Khurgin, N Kinsey - Optical Materials Express, 2020 - opg.optica.org
For decades, nonlinear optics has been used to control the frequency and propagation of
light in unique ways enabling a wide range of applications such as ultrafast lasing, sub …

Direct observation of ideal electromagnetic fluids

H Li, Z Zhou, W Sun, M Lobet, N Engheta… - Nature …, 2022 - nature.com
Abstract Near-zero-index (NZI) media have been theoretically identified as media where
electromagnetic radiations behave like ideal electromagnetic fluids. Within NZI media, the …

Tunable organic ENZ materials with large optical nonlinearity

Q Hu, X Yu, H Liu, J Qiu, W Tang, S Liang, L Li… - ACS …, 2023 - ACS Publications
Epsilon-near-zero (ENZ) materials have shown significant potential for nonlinear optical
applications due to their extraordinary enhancement of optical nonlinearity. Our experiments …