Superconducting emitters of THz radiation

U Welp, K Kadowaki, R Kleiner - Nature photonics, 2013 - nature.com
Layered superconductors such as the copper-oxide high-temperature superconductor
Bi2Sr2CaCu2O8+ δ are emerging as compact sources of coherent continuous-wave …

Terahertz-wave emission from Bi2212 intrinsic Josephson junctions: A review on recent progress

I Kakeya, H Wang - Superconductor Science and Technology, 2016 - iopscience.iop.org
Emission of terahertz (THz) electromagnetic (EM) waves from a high critical temperature (T
c) superconductor intrinsic Josephson junction (IJJ) is a new and promising candidate for …

Powerful terahertz emission from Bi2Sr2CaCu2O8+ δ mesa arrays

TM Benseman, KE Gray, AE Koshelev… - Applied Physics …, 2013 - pubs.aip.org
Stacks of intrinsic Josephson junctions in high-temperature superconductors enable the
fabrication of compact sources of coherent terahertz radiation. Here, we demonstrate that …

Terahertz orbital angular momentum: Generation, detection and communication

H Yang, S Zheng, W He, X Yu… - China …, 2021 - ieeexplore.ieee.org
To accommodate the ever-increasing wireless capacity, the terahertz (THz) orbital angular
momentum (OAM) beam that combines THz radiation and OAM technologies has attracted …

A high-Tc intrinsic Josephson junction emitter tunable from 0.5 to 2.4 terahertz

T Kashiwagi, K Sakamoto, H Kubo, Y Shibano… - Applied Physics …, 2015 - pubs.aip.org
Strong, monochromatic, coherent and continuous terahertz (THz) radiation was generated
from the intrinsic Josephson junctions in a cylindrical stand-alone mesa sandwich structure …

[HTML][HTML] Terahertz emission from Bi2Sr2CaCu2O8+ x intrinsic Josephson junction stacks

R Kleiner, H Wang - Journal of Applied Physics, 2019 - pubs.aip.org
Electromagnetic radiation at frequencies in the terahertz (THz) range is highly interesting for
potential applications in biology or medical diagnostics, high-bandwidth communication …

Generation of electromagnetic waves from 0.3 to 1.6 terahertz with a high-Tc superconducting Bi2Sr2CaCu2O8+ δ intrinsic Josephson junction emitter

T Kashiwagi, T Yamamoto, T Kitamura… - Applied Physics …, 2015 - pubs.aip.org
To obtain higher power P and frequency f emissions from the intrinsic Josephson junctions
in a high-T c superconducting Bi 2 Sr 2 CaCu 2 O 8+ δ single crystal, we embedded a …

[HTML][HTML] YBa2Cu3O7− δ superconducting quantum interference devices with metallic to insulating barriers written with a focused helium ion beam

EY Cho, MK Ma, C Huynh, K Pratt, DN Paulson… - Applied physics …, 2015 - pubs.aip.org
In this work, we demonstrate the ability to fabricate superconducting quantum interference
devices (SQUIDs) by directly writing Josephson junctions into the plane of YBa 2 Cu 3 O 7 …

Efficient fabrication of intrinsic-Josephson-junction terahertz oscillators with greatly reduced self-heating effects

T Kashiwagi, T Yamamoto, H Minami, M Tsujimoto… - Physical review applied, 2015 - APS
The intrinsic Josephson junctions (IJJs) in the high-T c superconductor Bi 2 Sr 2 CaCu 2 O
8+ δ (Bi2212) are shown to have great potential for the construction of an oscillator emitting …

Bi2Sr2CaCu2O8 intrinsic Josephson junction stacks with improved cooling: Coherent emission above 1 THz

M Ji, J Yuan, B Gross, F Rudau, DY An, MY Li… - Applied Physics …, 2014 - pubs.aip.org
We report on Bi 2 Sr 2 CaCu 2 O 8 (BSCCO) intrinsic Josephson junction stacks with
improved cooling, allowing for a remarkable increase in emission frequency compared to …