Transmissive terahertz metasurfaces with vanadium dioxide split-rings and grids for switchable asymmetric polarization manipulation

AE Serebryannikov, A Lakhtakia, GAE Vandenbosch… - Scientific reports, 2022 - nature.com
Metasurfaces containing arrays of thermally tunable metal-free (double-) split-ring meta-
atoms and metal-free grids made of vanadium dioxide (VO 2), a phase-change material can …

Fundamental limits for transmission modulation in VO2 metasurfaces

B Li, R Camacho-Morales, N Li, A Tognazzi… - Photonics …, 2023 - opg.optica.org
The interest in dynamic modulation of light by ultra-thin materials exhibiting insulator–metal
phase transition, such as VO_2, has rapidly grown due to the myriad industrial applications …

Adaptive tuning of infrared emission using VO2 thin films

MC Larciprete, M Centini, S Paoloni, I Fratoddi… - Scientific reports, 2020 - nature.com
Phase-transition materials provide exciting opportunities for controlling optical properties of
photonic devices dynamically. Here, we systematically investigate the infrared emission from …

Multilevel absorbers via the integration of undoped and tungsten-doped multilayered vanadium dioxide thin films

B Ko, JY Chae, T Badloe, H Kim, SJ Kim… - … Applied Materials & …, 2022 - ACS Publications
Reconfigurable light absorbers have attracted much attention by providing additional optical
responses and expanding the number of degrees of freedom in security applications. Fabry …

Tunable NIR absorption in a Ge2Sb2Te5-based 1D asymmetric nonlinear hybrid nanostructure

S Rashidi, A Rashidi, SR Entezar - Optics & Laser Technology, 2023 - Elsevier
The absorption behaviors of a photonic nonlinear (NL) Kerr multilayer doped by a 30 nm-Ge
2 Sb 2 Te 5 (GST) absorbing film are investigated theoretically in the near-infrared region …

Multifunctional tunable gradient metasurfaces for terahertz beam splitting and light absorption

V Erçağlar, H Hajian, AE Serebryannikov, E Ozbay - Optics Letters, 2021 - opg.optica.org
Obtaining functional devices with tunable features is beneficial to advance terahertz (THz)
science and technology. Here, we propose multifunctional gradient metasurfaces that are …

Thermally switchable, bifunctional, scalable, mid-infrared metasurfaces with VO2 grids capable of versatile polarization manipulation and asymmetric transmission

AE Serebryannikov, A Lakhtakia… - Optical Materials Express, 2022 - opg.optica.org
We conceptualized three-array scalable bifunctional metasurfaces comprising only three
thin strip grids and numerically determined their characteristics in the mid-infrared spectral …

Generalized Sheet Transition Conditions (GSTCs) in Electromagnetic Metasurface Modeling

A Ghaneizadeh, M Joodaki - IEEE Access, 2024 - ieeexplore.ieee.org
We present a modeling framework for metasurfaces illuminated by a plane wave based on
the Generalized Sheet Transition Conditions (GSTCs). This framework describes how …

Exceptional adaptable MWIR thermal emission for ordinary objects covered with thin VO2 film

H Kocer, MC Cakir, Y Durna, MC Soydan… - Journal of Quantitative …, 2021 - Elsevier
Monotonous thermal radiation emitted from an ordinary object can be brought into a
dynamic and versatile form that can be shaped according to the application area with the …

Development of a tunable terahertz absorber based on temperature control

L Jianjun, F Lanlan - Microwave and Optical Technology …, 2020 - Wiley Online Library
Metamaterial structure‐based terahertz absorbers all are passive, once the preparation is
complete, their absorption properties are also determined unable to adapt to the …