A review on terahertz technologies accelerated by silicon photonics

J Xie, W Ye, L Zhou, X Guo, X Zang, L Chen, Y Zhu - Nanomaterials, 2021 - mdpi.com
In the last couple of decades, terahertz (THz) technologies, which lie in the frequency gap
between the infrared and microwaves, have been greatly enhanced and investigated due to …

Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth

L Liebermeister, S Nellen, RB Kohlhaas… - Nature …, 2021 - nature.com
Broadband terahertz spectroscopy enables many promising applications in science and
industry alike. However, the complexity of existing terahertz systems has as yet prevented …

Wireless THz link with optoelectronic transmitter and receiver

T Harter, S Ummethala, M Blaicher, S Muehlbrandt… - Optica, 2019 - opg.optica.org
Photonics might play a key role in future wireless communication systems that operate at
terahertz (THz) carrier frequencies. A prime example is the generation of THz data streams …

Recent progress of continuous-wave terahertz systems for spectroscopy, non-destructive testing, and telecommunication

S Nellen, B Globisch, RB Kohlhaas… - … , RF, Millimeter, and …, 2018 - spiedigitallibrary.org
Within the last decade, photoconductive terahertz (THz) systems have become well-
established tools in scientific laboratories and industrial R&D departments. In particular, the …

Continuous wave terahertz receivers with 4.5 THz bandwidth and 112 dB dynamic range

M Deumer, S Breuer, R Kohlhaas, S Nellen… - Optics …, 2021 - opg.optica.org
We present photomixers made of iron doped indium gallium arsenide (InGaAs: Fe) as
broadband receivers in optoelectronic continuous wave (cw) terahertz (THz) systems …

Ultra-fast, high-bandwidth coherent cw THz spectrometer for non-destructive testing

L Liebermeister, S Nellen, R Kohlhaas… - Journal of Infrared …, 2019 - Springer
Abstract Continuous wave THz (cw THz) systems define the state-of-the-art in terms of
spectral resolution in THz spectroscopy. Hitherto, acquisition of broadband spectra in a cw …

Telecom technology based continuous wave terahertz photomixing system with 105 decibel signal-to-noise ratio and 3.5 terahertz bandwidth

T Göbel, D Stanze, B Globisch, RJB Dietz, H Roehle… - Optics letters, 2013 - opg.optica.org
A modified photoconductive receiver significantly improves the performance of photomixing-
based continuous wave (cw) THz systems driven at the optical telecommunication …

Radiation pattern of planar optoelectronic antennas for broadband continuous-wave terahertz emission

S Nellen, S Lauck, G Schwanke, M Deumer… - Optics …, 2021 - opg.optica.org
In future wireless communication networks at terahertz frequencies, the directivity and the
beam profile of the emitters are highly relevant since no additional beam forming optics can …

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 …

Continuous wave THz receivers with rhodium-doped InGaAs enabling 132 dB dynamic range

M Deumer, S Breuer, S Berrios, S Keyvaninia… - Optics …, 2024 - opg.optica.org
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 …