Recent progress in terahertz metamaterial modulators

R Degl'Innocenti, H Lin, M Navarro-Cía - Nanophotonics, 2022 - degruyter.com
Abstract The terahertz (0.1–10 THz) range represents a fast-evolving research and industrial
field. The great interest for this portion of the electromagnetic spectrum, which lies between …

Nanostructure‐enhanced photoconductive terahertz emission and detection

NT Yardimci, M Jarrahi - Small, 2018 - Wiley Online Library
Photoconductive antennas are commonly used for terahertz wave generation and detection.
However, their relatively low radiation power and detection sensitivity often place limitations …

[PDF][PDF] Active control of electromagnetically induced transparency analog in terahertz MEMS metamaterial

P Pitchappa, M Manjappa, CP Ho, R Singh… - Advanced Optical …, 2016 - ece.nus.edu.sg
Electromagnetic metamaterials are artificially engineered materials that have revolutionized
the research activities for efficient manipulation of terahertz (THz) waves in the past decade …

Anomalous refraction and nondiffractive Bessel-beam generation of terahertz waves through transmission-type coding metasurfaces

S Liu, A Noor, LL Du, L Zhang, Q Xu, K Luan… - ACS …, 2016 - ACS Publications
Coding metasurfaces, composed of an array of coding particles with discrete phase
responses, are encoded with predesigned coding sequences to manipulate wavefronts of …

Conformal phased array antenna for unmanned aerial vehicle with±70° scanning range

JJ Peng, SW Qu, M **a, S Yang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Conformal antennas are practicable candidates to the aerodynamic platforms. A wide-angle
scanning conformal phased array antenna for an unmanned aerial vehicle (UAV) platform is …

Reconfigurable metamaterials for optoelectronic applications

YS Lin, Z Xu - International Journal of Optomechatronics, 2020 - Taylor & Francis
In recent years, electromagnetic characteristics of metamaterials has aroused great interest
because of innovative fundamental understanding as well as promising potential …

Dynamic terahertz plasmonics enabled by phase‐change materials

YG Jeong, YM Bahk, DS Kim - Advanced Optical Materials, 2020 - Wiley Online Library
Phase‐change phenomena have been an attractive research theme for decades due to the
dynamic transition of material properties providing extraordinary capabilities for versatile …

Graphene based terahertz phase modulators

N Kakenov, MS Ergoktas, O Balci, C Kocabas - 2D Materials, 2018 - iopscience.iop.org
Electrical control of amplitude and phase of terahertz radiation (THz) is the key technological
challenge for high resolution and noninvasive THz imaging. The lack of active materials and …

Active multifunctional microelectromechanical system metadevices: applications in polarization control, wavefront deflection, and holograms

L Cong, P Pitchappa, Y Wu, L Ke, C Lee… - Advanced Optical …, 2017 - Wiley Online Library
Metasurfaces have provided a novel route to control the local phase of electromagnetic
radiation through subwavelength scatterers where the properties of each element remain …

Terahertz MEMS metadevices

P Pitchappa, A Kumar, R Singh, C Lee… - … of Micromechanics and …, 2021 - iopscience.iop.org
Terahertz (THz) part of the electromagnetic spectrum (0.1–10 THz) holds the key for next-
generation high-speed wireless communication, non-destructive biosensing, fingerprint …