Epsilon-near-zero photonics: infinite potentials

J Wu, ZT **e, Y Sha, HY Fu, Q Li - Photonics Research, 2021 - opg.optica.org
With its unique and exclusive linear and nonlinear optical characteristics, epsilon-near-zero
(ENZ) photonics has drawn a tremendous amount of attention in the recent decade in the …

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 …

All-optical switching in epsilon-near-zero asymmetric directional coupler

Y Sha, ZT **e, J Wu, HY Fu, Q Li - Scientific Reports, 2022 - nature.com
We propose an all-optical switch based on an asymmetric directional coupler structure with
epsilon-near-zero (ENZ) layer. The nonlinear optical properties the of ENZ layer are …

Thickness dependency of PVA on the transition from saturable absorption to reverse saturable absorption of ITO films

T Yan, R Hong, C Tao, Q Wang, H Lin, Z Han, D Zhang - Optical Materials, 2022 - Elsevier
The transition from saturable to reverse saturable absorption of ITO films was realized by
composite with PVA polymer. The effects of different thickness of PVA buffer layer on the …

Graphene Oxides as Epsilon‐Near‐Zero Platforms Operating in Terahertz Frequency Range

SW Jun, JH Yim, JY Park, S Lee… - Laser & Photonics …, 2024 - Wiley Online Library
Abstract Epsilon‐near‐zero (ENZ) materials, with their unique light manipulation
capabilities, have fascinating applications such as cloaking, super‐resolution imaging …

Dependence of the coupling properties between a plasmonic antenna array and a sub-wavelength epsilon-near-zero film on structural and material parameters

K Manukyan, MZ Alam, C Liu, K Pang, H Song… - Applied Physics …, 2021 - pubs.aip.org
The resonance properties of a plasmonic dipole antenna array depend on its geometry and
the properties of its surrounding medium. The linear optical properties of an array of …

Broadband third-order nonlinear optical response of indium tin oxide in the near infrared spectrum

J Huang, J Li, Y **ao, J Li - Optical Materials, 2023 - Elsevier
We reported the broadband optical nonlinearity of indium tin oxide (ITO) films with different
thickness in the near-infrared spectrum region. The maximum nonlinear response is …

Q-factor and wavelength adjustable ultra-perfect absorption under critical coupling through epsilon-near-zero-based absorbers

YD Li, YG Chen - Scientific Reports, 2024 - nature.com
Perfect absorption with adjustable Q factor and wavelength is essential in both theory and
application. To address this issue, a structure composed of an epsilon-near-zero (ENZ)-SiO2 …

Near-field radiative heat transfer between nonpolar epsilon-near-zero dielectric-filled Si gratings

GC Cui, CL Zhou, Y Zhang, HL Yi - Physical Review B, 2024 - APS
Epsilon-near-zero (ENZ) materials have attracted significant attention in the far-and near
fields of thermal radiation in recent years because of their unique optical characteristics …

Realizing PIT-like transparency via the coupling of plasmonic dipole and ENZ modes

M Mao, J Wang, K Mu, C Fan, Y Jia, R Li, S Chen… - Optics …, 2022 - opg.optica.org
Plasmon induced transparency (PIT), known as the coupling of plasmon modes in
metamaterials, has attracted intensive research interests in photonic applications. In this …