A tutorial on the basics of time-varying electromagnetic systems and circuits: Historic overview and basic concepts of time-modulation
During the last decade, possibilities to realize new phenomena and create new applications
by varying system properties in time have gained increasing attention in many research …
by varying system properties in time have gained increasing attention in many research …
[HTML][HTML] Resonant dielectric metasurfaces in strong optical fields
Optical materials are undergoing revolutionary transformations driven by nanotechnology.
Our ability to engineer structures at a scale smaller than the wavelength of light enables new …
Our ability to engineer structures at a scale smaller than the wavelength of light enables new …
Ultrafast frequency-shift dynamics at temporal boundary induced by structural-dispersion switching of waveguides
F Miyamaru, C Mizuo, T Nakanishi, Y Nakata… - Physical Review Letters, 2021 - APS
We experimentally demonstrate the observation of a frequency-shift dynamics at a temporal
boundary in the terahertz (THz) region relying on a scheme that controls the structural …
boundary in the terahertz (THz) region relying on a scheme that controls the structural …
Externally driven nonlinear time-variant metasurfaces
VV Zubyuk, PA Shafirin, MR Shcherbakov… - ACS …, 2022 - ACS Publications
Resonant photonic nanostructures exhibiting enhanced nonlinear response and efficient
frequency conversion are an emergent platform in nonlinear optics. High-index …
frequency conversion are an emergent platform in nonlinear optics. High-index …
Linear and phase controllable terahertz frequency conversion via ultrafast breaking the bond of a meta-molecule
The metasurface platform with time-varying characteristics has emerged as a promising
avenue for exploring exotic physics associated with Floquet materials and for designing …
avenue for exploring exotic physics associated with Floquet materials and for designing …
Electrically controllable terahertz second‐harmonic generation in GaAs
Terahertz radiation and its nonlinear optical manipulation may possess potential for a variety
of applications in next‐generation electronics and optics. Pioneering studies have shown …
of applications in next‐generation electronics and optics. Pioneering studies have shown …
[HTML][HTML] An ultra-fast liquid switch for terahertz radiation
Ultra-fast switches are essential devices for basic research and technological development.
Here, we demonstrate that aqueous solutions of sodium iodide can be used for this purpose …
Here, we demonstrate that aqueous solutions of sodium iodide can be used for this purpose …
Numerical analysis for temporal and spectral responses of electromagnetic waves in spatially homogeneous time varying medium
AM Attiya, EM Eldesouki - Scientific Reports, 2024 - nature.com
This paper presents simple numerical solutions for electromagnetic plane waves in spatially
homogenous time varying medium. The solution is based on converting the resulting second …
homogenous time varying medium. The solution is based on converting the resulting second …
Frequency down-conversion of terahertz waves at optically induced temporal boundaries in GaAs waveguides
K Takano, S Uchiyama, S Nagase, Y Tsuchimoto… - …, 2024 - degruyter.com
In this study, the frequency down-conversion of terahertz waves is analytically and
experimentally demonstrated at the temporal boundaries within a GaAs waveguide. The …
experimentally demonstrated at the temporal boundaries within a GaAs waveguide. The …
Tutorial on basics of time-varying electromagnetic systems and circuits
During the last decade, possibilities to realize new phenomena and create new applications
by varying system properties in time have gained increasing attention in many research …
by varying system properties in time have gained increasing attention in many research …