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 …

High Q-factor compact and reconfigurable THz aperture antenna based on graphene loads for detecting breast cancer cells

F Kazemi - Superlattices and Microstructures, 2021 - Elsevier
The THz antennas play important role in various applications such as medical sensing. In
this paper, a compact THz antenna based on graphene loads is presented. The basic …

Terahertz quasi time domain spectroscopy

M Scheller, M Koch - Optics express, 2009 - opg.optica.org
It is shown theoretically and experimentally that for the specific case of an equidistant
frequency spacing of semiconductor laser modes, signals similar to terahertz (THz) time …

Effect of photonic crystal and frequency selective surface implementation on gain enhancement in the microstrip patch antenna at terahertz frequency

A Nejati, RA Sadeghzadeh, F Geran - Physica B: condensed matter, 2014 - Elsevier
In this paper, microstrip patch antenna with frequency selective surface (FSS) and photonic
band gap (PBG) structures in the frequency range of 0.5–0.7 THz is presented for wireless …

Dual band compact fractal THz antenna based on CRLH-TL and graphene loads

F Kazemi - Optik, 2020 - Elsevier
Abstract the THz antenna with multi-band characteristic is interesting for various application
such as THz communication. In this paper, a compact THz antenna with dual-band attributes …

Dependence of emission of terahertz radiation on geometrical parameters of dipole photoconductive antennas

F Miyamaru, Y Saito, K Yamamoto, T Furuya… - Applied physics …, 2010 - pubs.aip.org
The dependence of the emission spectrum of terahertz (THz) radiation on the geometrical
parameters of the dipole antenna, and the relationship between these parameters and the …

Structure investigation of low-temperature-grown GaAsSb, a material for photoconductive terahertz antennas

J Sigmund, C Sydlo, HL Hartnagel, N Benker… - Applied Physics …, 2005 - pubs.aip.org
The formation of precipitates after an annealing process in low-temperature-grown GaAs 0.6
Sb 0.4 is observed. We use high-resolution transmission electron microscopy for a detailed …

Pulsed photoconductive antenna terahertz sources made on ion-implanted GaAs substrates

B Salem, D Morris, V Aimez, J Beerens… - Journal of Physics …, 2005 - iopscience.iop.org
In this work we show that improved performances of terahertz emitters can be obtained
using an ion implantation process. Our photoconductive materials consist of high-resistivity …

[HTML][HTML] A polarization-insensitive plasmonic photoconductive terahertz emitter

X Li, NT Yardimci, M Jarrahi - AIP advances, 2017 - pubs.aip.org
We present a polarization-insensitive plasmonic photoconductive terahertz emitter that uses
a two-dimensional array of nanoscale cross-shaped apertures as the plasmonic contact …

Spectral characterization of broadband THz antennas by photoconductive mixing: toward optimal antenna design

R Mendis, C Sydlo, J Sigmund… - IEEE Antennas and …, 2005 - ieeexplore.ieee.org
The spectral characterization of a broadband antenna using a pump-probe photomixing
continuous-wave (CW) terahertz (THz) system is presented. The high dynamic range of the …