A review of the terahertz conductivity of bulk and nano-materials

J Lloyd-Hughes, TI Jeon - Journal of Infrared, Millimeter, and Terahertz …, 2012‏ - Springer
We review pioneering and recent studies of the conductivity of solid state systems at
terahertz frequencies. A variety of theoretical formalisms that describe the terahertz …

Photoconductive emitters for pulsed terahertz generation

DR Bacon, J Madéo, KM Dani - Journal of Optics, 2021‏ - iopscience.iop.org
Conceived over 30 years ago, photoconductive (PC) emitters have proved essential in the
development and spread of terahertz technology. Since then, not only have they been used …

Terahertz generation by means of optical lasers

GK Kitaeva - Laser Physics Letters, 2008‏ - Wiley Online Library
Generation of high‐power radiation in terahertz frequency range 0.3–10 THz is a fast
develo** research area attracting considerable interest over the past years due to its …

Semiconductors for terahertz photonics applications

A Krotkus - Journal of Physics D: Applied Physics, 2010‏ - iopscience.iop.org
Generation and measurement of ultrashort, subpicosecond pulses of electromagnetic
radiation with their characteristic Fourier spectra that reach far into terahertz (THz) frequency …

Ultrafast carrier dynamics in terahertz photoconductors and photomixers: beyond short-carrier-lifetime semiconductors

PK Lu, AJ Fernandez Olvera, D Turan, TS Seifert… - …, 2022‏ - degruyter.com
Efficient terahertz generation and detection are a key prerequisite for high performance
terahertz systems. Major advancements in realizing efficient terahertz emitters and detectors …

Photoconductive devices for terahertz pulsed spectroscopy: a review

E Castro-Camus, M Alfaro - Photonics Research, 2016‏ - opg.optica.org
Photoconductive switches were the key components that allowed the generation and
detection of coherent broadband electromagnetic pulses at terahertz frequencies, opening …

Influence of surface passivation on ultrafast carrier dynamics and terahertz radiation generation in GaAs

J Lloyd-Hughes, SKE Merchant, L Fu, HH Tan… - Applied physics …, 2006‏ - pubs.aip.org
The carrier dynamics of photoexcited electrons in the vicinity of the surface of (NH 4) 2 S-
passivated GaAs were studied via terahertz emission spectroscopy and optical-pump …

Three-dimensional carrier-dynamics simulation of terahertz emission from photoconductive switches

E Castro-Camus, J Lloyd-Hughes, MB Johnston - Physical Review B …, 2005‏ - APS
A semi-classical Monte Carlo model for studying three-dimensional carrier dynamics in
photoconductive switches is presented. The model was used to simulate the process of …

Narrowband, Angle-Tunable, Helicity-Dependent Terahertz Emission from Nanowires of the Topological Dirac Semimetal Cd3As2

JL Boland, DA Damry, CQ **a, P Schönherr… - ACS …, 2023‏ - ACS Publications
All-optical control of terahertz pulses is essential for the development of optoelectronic
devices for next-generation quantum technologies. Despite substantial research in THz …

Simultaneous measurement of orthogonal terahertz fields via an emission multiplexing scheme

H Ou, RI Stantchev, X Chen, T Blu, M Semtsiv… - Optics …, 2024‏ - opg.optica.org
We propose a polarization sensitive terahertz time-domain spectrometer that can record
orthogonally polarized terahertz fields simultaneously, using fibre-coupled photoconductive …