Enhancement of terahertz photoconductive antenna operation by optical nanoantennas

S Lepeshov, A Gorodetsky, A Krasnok… - Laser & Photonics …, 2017 - Wiley Online Library
Photoconductive antennas are promising sources of terahertz radiation that is widely used
for spectroscopy, characterization, and imaging of biological objects, deep space studies …

[HTML][HTML] Two-dimensional materials toward terahertz optoelectronic device applications

Z Shi, H Zhang, K Khan, R Cao, Y Zhang, C Ma… - … of Photochemistry and …, 2022 - Elsevier
Abstract Two-dimensional (2D) materials have become a worldwide hot topic due to their
fascinating properties, including high carrier mobility, tunable bandgap, ultra-broadband …

Review of terahertz photoconductive antenna technology

NM Burford, MO El-Shenawee - Optical Engineering, 2017 - spiedigitallibrary.org
Photoconductive antennas (PCAs) have been extensively utilized for the generation and
detection of both pulsed broadband and single frequency continuous wave terahertz (THz) …

Significant performance enhancement in photoconductive terahertz optoelectronics by incorporating plasmonic contact electrodes

CW Berry, N Wang, MR Hashemi, M Unlu… - Nature …, 2013 - nature.com
Even though the terahertz spectrum is well suited for chemical identification, material
characterization, biological sensing and medical imaging, practical development of these …

High-power terahertz generation using large-area plasmonic photoconductive emitters

NT Yardimci, SH Yang, CW Berry… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In this paper, we present a novel design of large-area photoconductive emitters which
incorporates plasmonic contact electrodes to offer significantly higher optical-to-terahertz …

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 …

Skin cancer detection using non-invasive techniques

V Narayanamurthy, P Padmapriya, A Noorasafrin… - RSC …, 2018 - pubs.rsc.org
Skin cancer is the most common form of cancer and is globally rising. Historically, the
diagnosis of skin cancers has depended on various conventional techniques which are of …

7.5% optical-to-terahertz conversion efficiency offered by photoconductive emitters with three-dimensional plasmonic contact electrodes

SH Yang, MR Hashemi, CW Berry… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
We present a photoconductive terahertz emitter that incorporates three-dimensional
plasmonic contact electrodes to offer record high optical-to-terahertz power conversion …

Colossal absorption of molecules inside single terahertz nanoantennas

HR Park, KJ Ahn, S Han, YM Bahk, N Park, DS Kim - Nano letters, 2013 - ACS Publications
Molecules have extremely small absorption cross sections in the terahertz range even under
resonant conditions, which severely limit their detectability, often requiring tens of milligrams …

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 …