Fano resonance based ultra high-contrast electromagnetic switch

M Amin, R Ramzan, O Siddiqui - Applied Physics Letters, 2017 - pubs.aip.org
We experimentally achieve highly asymmetrical enhanced-Q Fano resonances in metallic
electromagnetic structures fabricated on conductive planes. We show that the complete …

Surface waves supported by metasurfaces with self-complementary geometries

D González-Ovejero, E Martini… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper investigates the fundamental dispersion properties of surface waves (SWs)
supported by a class of metasurfaces (MTSs) that consists of a planar layer made of metal …

High-Speed Optically Tunable RF Signal Generation with Low Power Threshold Based on On-Chip Germanium Photoelectric Effect

H Yue, Y Yan, B Xiong, T Chu - ACS Photonics, 2024 - ACS Publications
Radio frequency (RF) signal modulation and generation are crucial technologies for
advanced radar systems and high-speed wireless communications. Compared with …

Basic properties of checkerboard metasurfaces

D González-Ovejero, E Martini… - IEEE Antennas and …, 2014 - ieeexplore.ieee.org
This letter presents a new type of metasurface, which consists of a checkerboard-type layout,
made of electrically small complementary metallic patches and apertures. Depending on …

High-speed silicon-integrated photonic radio frequency switch based on optical switching

H Yue, H Sun, T Chu - Optics Letters, 2023 - opg.optica.org
Photonic radio frequency (RF) switches are promising to replace conventional electronic RF
switches in modern RF communication systems owing to their high switching speed and …

A novel approach to low profile scanning antenna design using reconfigurable metasurfaces

SC Pavone, E Martini, M Albani, S Maci… - 2014 International …, 2014 - ieeexplore.ieee.org
A novel approach for the design of scanning antennas is proposed. It relies on the use of a
reconfigurable metasurface (MTS) whose modulation can be adjusted so as to vary the …

Microwave signal switching on a silicon photonic chip

CY Fang, HH Lin, M Alouini, Y Fainman, A El Amili - Scientific Reports, 2019 - nature.com
Microwave photonics uses light to carry and process microwave signals over a photonic link.
However, light can instead be used as a stimulus to microwave devices that directly control …

Millimeter-Wave Permittivity Variations of an HR Silicon Substrate from the Photoconductive Effect

C Tripon-Canseliet, J Chazelas - Micromachines, 2022 - mdpi.com
The photoinduced microwave complex permittivity of a highly resistive single-crystal silicon
wafer was extracted from a bistatic free-space characterization test bench operating in the …

High dynamic range single channel sampling of wideband RF signals using ultra‐fast nanoscale photoconductive switching

C Tripon‐Canseliet, M Zegaoui, G Jestin… - Electronics …, 2016 - Wiley Online Library
This Letter reports on new experimental high dynamic range sub‐sampling performances
obtained from nanoscale microwave photoconductive switches operating under a 0.8 µm …

A low-loss 1-4 GHz optically-controlled silicon plasma switch

A Fisher, Z Vander Missen, A Semnani… - 2021 IEEE 21st …, 2021 - ieeexplore.ieee.org
This paper presents a low-loss optically-controlled inline RF switch suitable for L-and S-
band applications. Under 1.5 W laser power, the switch exhibits a measured ON-state …