[HTML][HTML] Low noise terahertz MgB2 hot-electron bolometer mixers with an 11 GHz bandwidth

E Novoselov, S Cherednichenko - Applied Physics Letters, 2017 - pubs.aip.org
Terahertz (THz) hot-electron bolometer mixers reach a unique combination of low noise,
wide noise bandwidth, and high operation temperature when 6 nm thick superconducting …

Engineering physics of superconducting hot-electron bolometer mixers

TM Klapwijk, AV Semenov - IEEE Transactions on Terahertz …, 2017 - ieeexplore.ieee.org
Superconducting hot-electron bolometers are presently the best performing mixing devices
for the frequency range beyond 1.2 THz, where good-quality superconductor-insulator …

4x2 Hot electron bolometer mixer arrays for detection at 1.46, 1.9 and 4.7 THz for a balloon borne terahertz observatory

JRG Silva, WM Laauwen, B Mirzaei… - arXiv preprint arXiv …, 2023 - arxiv.org
We have demonstrated three 4x2 hot electron bolometer (HEB) mixer arrays for operation at
local oscillator (LO) frequencies of 1.46, 1.9 and 4.7 THz, respectively. They consist of spiral …

Gain and noise in THz MgB2 hot-electron bolometer mixers with a 30-K critical temperature

E Novoselov, S Cherednichenko - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, we study variation of the MgB 2 hotelectron bolometer mixer characteristics
such as noise temperature, gain, output noise, and local oscillator (LO) power at 5-, 15-, and …

Quasiparticle scattering time in NbN superconducting thin films

L Zhang, L You, W Peng, Z Wang - Physica C: Superconductivity and its …, 2020 - Elsevier
A deep understanding of the quasiparticle inelastic scattering rate in superconducting
materials is beneficial for the further development of ultrasensitive and rapid …

Demonstration of a fully integrated superconducting receiver with a 2.7 THz quantum cascade laser

W Miao, Z Lou, GY Xu, J Hu, SL Li, W Zhang… - Optics …, 2015 - opg.optica.org
We demonstrate for the first time the integration of a superconducting hot electron bolometer
(HEB) mixer and a quantum cascade laser (QCL) on the same 4-K stage of a single cryostat …

An ultra-high-sensitivity superconducting hot-electron-bolometer heterodyne receiver at 2.5 THz with an integrated low-power-consumption quantum cascade laser

W Miao, H Gao, Z Lou, J Hu, W Zhang… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
We report on the demonstration of an ultra-high-sensitivity superconducting hot-electron-
bolometer (HEB) heterodyne receiver at 2.5 THz with a low-power-consumption quantum …

[HTML][HTML] Superconducting hot-electron bolometer mixers and their applications

W Zhang, W Miao, Y Ren, KM Zhou, SC Shi - Superconductivity, 2022 - Elsevier
Superconducting hot electron bolometer (HEB) mixers are the most sensitive heterodyne
detectors at frequencies beyond 1 THz, and are used for many astronomical observations …

Dense rotational twins in superconducting (111)-orientated δ-NbN epitaxial films on 4H-SiC substrates

HW Chang, VK Ranganayakulu, SY Guan… - Superconductor …, 2021 - iopscience.iop.org
In order to confirm the superconductivity observed in hexagonal epsilon-NbN reported
recently, we have deposited NbN film on (0001) 4H-SiC substrate, with good lattice match …

4× 2 hot electron bolometer mixer arrays for detection at 1.4, 1.9 and 4.7 THz for a balloon borne terahertz observatory

JRG Silva, WM Laauwen, B Mirzaei… - … , and Far-Infrared …, 2024 - spiedigitallibrary.org
We have demonstrated three 4× 2 hot electron bolometer (HEB) mixer arrays for operation at
local oscillator (LO) frequencies of 1.4, 1.9 and 4.7 THz, respectively. These arrays consist of …