High sensitivity high Tc superconducting Josephson junction antenna for 200 GHz detection

E Holdengreber, AG Moshe, M Mizrahi… - Journal of …, 2019 - Taylor & Francis
ABSTRACT A high sensitivity rounded bow-tie antenna was optimized based on
electromagnetic simulations. The bicrystal Josephson junction detector with a thin layer of …

Measurement of electrical properties of superconducting YBCO thin films in the VHF range

Y Dahan, E Holdengreber, E Glassner, O Sorkin… - Materials, 2021 - mdpi.com
A new measurement technique of electrical parameters of superconducting thin films at the
Very High Frequency (VHF) range is described, based on resonators with microstrip (MS) …

Multichannel transmitting system based on high-temperature superconducting phase shifter

Y Dahan, E Holdengreber, M Mizrahi… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Multichannel very high frequency (VHF) high-power transmission system, based on a 90°,
high-temperature superconductor YBa 2 Cu 3 O 7 (YBCO) hybrid coupler is presented. The …

High-Performance RF Balanced Microstrip Mixer Configuration for Cryogenic and Room Temperatures

N Citron, E Holdengreber, O Sorkin, SE Schacham… - Electronics, 2021 - mdpi.com
A high-performance S-band down-conversion microstrip mixer, for operation from 77 K to
300 K, is described. The balanced mixer combines a 90 degree hybrid coupler, two Schottky …

THz radiation measurement with HTSC Josephson junction detector matched to planar antenna

E Holdengreber, A Glezer Moshe, SE Schacham… - Applied Sciences, 2020 - mdpi.com
Featured Application Experimental results prove that major improvement of THz radiation
detection can be obtained by the optimal design of planar antenna with HTSC Josephson …

Efficiency Improvement of an Electric-Grid Transformer Using the Diamagnetism Characteristics of a Bulk Superconductor

D Shaked, E Holdengreber - Energies, 2022 - mdpi.com
An innovative method to improve the efficiency of a single-phase electric-grid 125 kVA, 50
Hz shell type and distribution transformer is presented. The diamagnetism characteristic of a …

Low Loss Multi-Channel Communication Combiner for Cellular Applications

E Rosenberg, Y Koral, A Mekeyess, M Mizrachi… - IEEE …, 2023 - ieeexplore.ieee.org
The increasing demand for cellular communication channels calls for multichannel
solutions. Using one antenna for each channel results in a high density of antennas at the …

Very Low-Noise Figure HTSC RF Front-End

E Holdengreber, M Mizrahi, N Citron, SE Schacham… - Electronics, 2022 - mdpi.com
A very low noise figure radio frequency (RF) front-end for the cellular realm is presented.
The front-end is composed of two planar YBCO high critical temperature superconductor …

Impedance mismatch elimination for improved THz detection by superconducting Josephson junctions

E Holdengreber, E Schacham, E Farber - 2019 - IET
Superconducting Josephson junctions as radiation detectors dramatically reduce the
complexity of THz detection systems. Rather than employing a complicated high frequency …

Remote location of superconducting Josephson junction in planar antennas for improved THz detection

E Holdengreber, M Mizrahi… - 2019 IEEE …, 2019 - ieeexplore.ieee.org
Detection of THz radiation can be significantly simplified using a detection system based on
Superconducting Josephson junctions. Rather than operating extremely sophisticated …