Photoconductive emitters for pulsed terahertz generation
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 …
development and spread of terahertz technology. Since then, not only have they been used …
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) …
detection of both pulsed broadband and single frequency continuous wave terahertz (THz) …
Plasmon-enhanced below bandgap photoconductive terahertz generation and detection
We use plasmon enhancement to achieve terahertz (THz) photoconductive switches that
combine the benefits of low-temperature grown GaAs with mature 1.5 μm femtosecond …
combine the benefits of low-temperature grown GaAs with mature 1.5 μm femtosecond …
Nanoplasmonics enhanced terahertz sources
Arrayed hexagonal metal nanostructures are used to maximize the local current density
while providing effective thermal management at the nanoscale, thereby allowing for …
while providing effective thermal management at the nanoscale, thereby allowing for …
Boosting photoconductive large-area THz emitter via optical light confinement behind a highly refractive sapphire-fiber lens
DS Ponomarev, DV Lavrukhin, NV Zenchenko… - Optics Letters, 2022 - opg.optica.org
We report on a sapphire-fiber-based lens that can be used to enhance the emitted THz
power of a large-area photoconductive antenna (PCA). Using numerical simulations, we …
power of a large-area photoconductive antenna (PCA). Using numerical simulations, we …
A broadband THz-TDS system based on DSTMS emitter and LTG InGaAs/InAlAs photoconductive antenna detector
Y Zhang, X Zhang, S Li, J Gu, Y Li, Z Tian, C Ouyang… - Scientific Reports, 2016 - nature.com
We demonstrate a 4-f terahertz time-domain spectroscopy (THz-TDS) system using an
organic crystal DSTMS as the THz emitter and a low temperature grown (LTG) …
organic crystal DSTMS as the THz emitter and a low temperature grown (LTG) …
Plasmonic antireflection coating for photoconductive terahertz generation
Plasmon-enhanced photoconductive antennas allow for improved performance, particularly
in below-band-gap absorption devices using low-temperature-grown GaAs. Here we design …
in below-band-gap absorption devices using low-temperature-grown GaAs. Here we design …
Plasmon-enhanced LT-GaAs/AlAs heterostructure photoconductive antennas for sub-bandgap terahertz generation
Photocurrent generation in low-temperature-grown GaAs (LT-GaAs) has been significantly
improved by growing a thin AlAs isolation layer between the LT-GaAs layer and semi …
improved by growing a thin AlAs isolation layer between the LT-GaAs layer and semi …
Silicon field effect transistor as the nonlinear detector for terahertz autocorellators
We demonstrate that the rectifying field effect transistor, biased to the subthreshold regime,
in a large signal regime exhibits a super-linear response to the incident terahertz (THz) …
in a large signal regime exhibits a super-linear response to the incident terahertz (THz) …
Photoconductive terahertz generation from textured semiconductor materials
Abstract Photoconductive (PC) terahertz (THz) emitters are often limited by ohmic loss and
Joule heating—as these effects can lead to thermal runaway and premature device …
Joule heating—as these effects can lead to thermal runaway and premature device …