Ultrafast carrier dynamics in terahertz photoconductors and photomixers: beyond short-carrier-lifetime semiconductors
Efficient terahertz generation and detection are a key prerequisite for high performance
terahertz systems. Major advancements in realizing efficient terahertz emitters and detectors …
terahertz systems. Major advancements in realizing efficient terahertz emitters and detectors …
637 μW emitted terahertz power from photoconductive antennas based on rhodium doped InGaAs
RB Kohlhaas, S Breuer, L Liebermeister… - Applied Physics …, 2020 - pubs.aip.org
We investigate photoconductive terahertz (THz) emitters compatible with 1550 nm excitation
for THz time-domain spectroscopy (TDS). The emitters are based on rhodium (Rh) doped …
for THz time-domain spectroscopy (TDS). The emitters are based on rhodium (Rh) doped …
Photoconductive terahertz detectors with 105 dB peak dynamic range made of rhodium doped InGaAs
ABSTRACT Rhodium (Rh)-doped In0. 53Ga0. 47As grown by gas-source molecular beam
epitaxy is investigated as a terahertz (THz) detector antenna for optical excitation at 1550 …
epitaxy is investigated as a terahertz (THz) detector antenna for optical excitation at 1550 …
Continuous wave terahertz receivers with 4.5 THz bandwidth and 112 dB dynamic range
We present photomixers made of iron doped indium gallium arsenide (InGaAs: Fe) as
broadband receivers in optoelectronic continuous wave (cw) terahertz (THz) systems …
broadband receivers in optoelectronic continuous wave (cw) terahertz (THz) systems …
High-sensitivity telecommunication-compatible photoconductive terahertz detection through carrier transit time reduction
We present a telecommunication-compatible photoconductive terahertz detector realized
without using any short-carrier-lifetime photoconductor. By utilizing plasmonic contact …
without using any short-carrier-lifetime photoconductor. By utilizing plasmonic contact …
Fiber-coupled THz TDS system with mW-level THz power and up to 137 dB dynamic range
Terahertz (THz) time-domain spectroscopy (TDS) offers considerable potential for a wide
range of industrial applications, including thickness determination and defect identification …
range of industrial applications, including thickness determination and defect identification …
Terahertz multilayer thickness measurements: comparison of optoelectronic time and frequency domain systems
L Liebermeister, S Nellen, RB Kohlhaas… - Journal of Infrared …, 2021 - Springer
A bstract We compare a state-of-the-art terahertz (THz) time domain spectroscopy (TDS)
system and a novel optoelectronic frequency domain spectroscopy (FDS) system with …
system and a novel optoelectronic frequency domain spectroscopy (FDS) system with …
Continuous wave THz receivers with rhodium-doped InGaAs enabling 132 dB dynamic range
For the first time, we present photoconductive, continuous wave (cw) terahertz (THz)
detectors for 1550 nm excitation based on rhodium-(Rh) doped indium gallium arsenide …
detectors for 1550 nm excitation based on rhodium-(Rh) doped indium gallium arsenide …
Highly sensitive multi-stage terahertz parametric upconversion detection based on a KTiOPO4 crystal
Y Wang, C Hu, C Yan, K Chen, Y Takida, H Minamide… - Optics Letters, 2022 - opg.optica.org
In this Letter, we demonstrate a highly sensitive multi-stage terahertz (THz) wave parametric
upconversion detector based on a KTiOPO_4 (KTP) crystal pumped by a 1064-nm pulsed …
upconversion detector based on a KTiOPO_4 (KTP) crystal pumped by a 1064-nm pulsed …
THz photomixers
E Peytavit, G Ducournau… - Fundamentals of terahertz …, 2021 - Wiley Online Library
This chapter focuses on the generation of continuous waves in the Terahertz (THz)
frequency range by using the optical heterodyne, also called photomixing of two slightly …
frequency range by using the optical heterodyne, also called photomixing of two slightly …