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 …

Arsenides-and related III-V materials-based multilayered structures for terahertz applications: Various designs and growth technology

AE Yachmenev, SS Pushkarev, RR Reznik… - Progress in Crystal …, 2020‏ - Elsevier
The fabrication and investigation of single and multilayered structures have become an
essential issue in the past decades since these structures directly define valuable properties …

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 …

A high-power broadband terahertz source enabled by three-dimensional light confinement in a plasmonic nanocavity

NT Yardimci, S Cakmakyapan, S Hemmati, M Jarrahi - Scientific reports, 2017‏ - nature.com
The scope and potential uses of time-domain terahertz imaging and spectroscopy are
mainly limited by the low optical-to-terahertz conversion efficiency of photoconductive …

Design of terahertz detection antenna with fractal butterfly structure

Y Shi, X Zhang, Q Qiu, Y Gao, Z Huang - IEEE Access, 2021‏ - ieeexplore.ieee.org
Terahertz (THz) technology can be widely used in radar, remote sensing, homeland security
and counter-terrorism, high-secret data communication and transmission, atmospheric and …

[HTML][HTML] A high-responsivity and broadband photoconductive terahertz detector based on a plasmonic nanocavity

NT Yardimci, D Turan, S Cakmakyapan… - Applied Physics …, 2018‏ - pubs.aip.org
We present a photoconductive terahertz detector to be used in terahertz time-domain
imaging and spectroscopy systems without utilizing a short-carrier lifetime semiconductor for …

Wavelength conversion through plasmon-coupled surface states

D Turan, PK Lu, NT Yardimci, Z Liu, L Luo… - Nature …, 2021‏ - nature.com
Surface states generally degrade semiconductor device performance by raising the charge
injection barrier height, introducing localized trap states, inducing surface leakage current …

Plasmonics-enhanced photoconductive terahertz detector pumped by Ytterbium-doped fiber laser

D Turan, NT Yardimci, M Jarrahi - Optics express, 2020‏ - opg.optica.org
We present a photoconductive terahertz detector operating at the 1 µm wavelength range at
which high-power and compact Ytterbium-doped femtosecond fiber lasers are available …

High-sensitivity telecommunication-compatible photoconductive terahertz detection through carrier transit time reduction

PK Lu, D Turan, M Jarrahi - Optics Express, 2020‏ - opg.optica.org
We present a telecommunication-compatible photoconductive terahertz detector realized
without using any short-carrier-lifetime photoconductor. By utilizing plasmonic contact …

Wide band yagi antenna for terahertz application with graphene control

FB Zarrabi, MM Seyedsharbaty, Z Ahmed… - Optik, 2017‏ - Elsevier
Antennas are an important part in the microwave and THz systems for the enhancement of
the radiation in various application such as medical imaging. Yagi antenna because of end …