A review of non-linear terahertz spectroscopy with ultrashort tabletop-laser pulses

HY Hwang, S Fleischer, NC Brandt… - Journal of Modern …, 2015 - Taylor & Francis
Over the past decade, breakthroughs in the generation and control of ultrafast high-field
terahertz (THz) radiation have led to new spectroscopic methodologies for the study of light …

All‐dielectric active terahertz photonics driven by bound states in the continuum

S Han, L Cong, YK Srivastava, B Qiang… - Advanced …, 2019 - Wiley Online Library
The remarkable emergence of all‐dielectric meta‐photonics governed by the physics of high‐
index dielectric materials offers a low‐loss platform for efficient manipulation and …

Recent progress in terahertz metasurfaces

I Al-Naib, W Withayachumnankul - Journal of Infrared, Millimeter, and …, 2017 - Springer
In the past decade, the concept of metasurfaces has gradually dominated the field of
metamaterials owing to their fascinating optical properties and simple planar geometries. At …

Intense terahertz radiation and their applications

HA Hafez, X Chai, A Ibrahim, S Mondal… - Journal of …, 2016 - iopscience.iop.org
In this paper, we will review both past and recent progresses in the generation, detection
and application of intense terahertz (THz) radiation. We will restrict the review to laser based …

Optically controlled dielectric metasurfaces for dynamic dual-mode modulation on terahertz waves

H Zhou, S Zhang, S Wang, Y Yao, Q Cai… - Advanced …, 2023 - spiedigitallibrary.org
Dynamically controlling terahertz (THz) waves with an ultracompact device is highly desired,
but previously realized tunable devices are bulky in size and/or exhibit limited light-tuning …

High harmonic generation in undoped graphene: Interplay of inter-and intraband dynamics

I Al-Naib, JE Sipe, MM Dignam - Physical Review B, 2014 - APS
We develop a density-matrix formalism in the length gauge to calculate the nonlinear
response of intrinsic monolayer graphene at terahertz frequencies. Employing a tight …

Dynamic metamaterial based on the graphene split ring high-Q Fano-resonnator for sensing applications

W Tang, L Wang, X Chen, C Liu, A Yu, W Lu - Nanoscale, 2016 - pubs.rsc.org
Structured plasmonic metamaterials offer a new way to design functionalized optical and
electrical components, since they can be size-scaled for operation across the whole …

Ultrahigh‐Q Fano Resonances in Terahertz Metasurfaces: Strong Influence of Metallic Conductivity at Extremely Low Asymmetry

YK Srivastava, M Manjappa, L Cong… - Advanced Optical …, 2016 - Wiley Online Library
Fano resonances in metasurfaces are important due to their low loss subradiant behavior
that allows excitation of high‐quality (Q) factor resonances extending from the microwave to …

Phototunable dielectric Huygens' metasurfaces

K Fan, J Zhang, X Liu, GF Zhang, RD Averitt… - Advanced …, 2018 - Wiley Online Library
Conventional dielectric metasurfaces achieve their properties through geometrical tuning
and consequently are static. Although some unique properties are demonstrated, the …

[HTML][HTML] Generalized treatment of skew-cosh-Gaussian lasers for bifocal terahertz radiation

HK Malik - Physics Letters A, 2020 - Elsevier
A generalized treatment of skew-cosh-Gaussian lasers with skewness parameters n and s is
provided for obtaining bifocal terahertz radiation in a realistic plasma having electron-neutral …