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 …

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 …

High temperature superconductor terahertz emitters: Fundamental physics and its applications

T Kashiwagi, M Tsujimoto, T Yamamoto… - Japanese Journal of …, 2011 - iopscience.iop.org
Coherent and continuous radiation sources of the electromagnetic (EM) waves at terahertz
(1 THz= 10 12 c/s) frequencies using a mesa structure fabricated from high temperature …

Broadly Tunable Subterahertz Emission from Internal Branches of the Current-Voltage Characteristics of Superconducting Single Crystals

M Tsujimoto, T Yamamoto, K Delfanazari… - Physical review …, 2012 - APS
Continuous, coherent subterahertz radiation arises when a dc voltage is applied across a
stack of the many intrinsic Josephson junctions in a Bi 2 Sr 2 CaCu 2 O 8+ δ single crystal …

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 …

Tunable terahertz emission from BiSrCaCuO mesa devices

TM Benseman, AE Koshelev, KE Gray, WK Kwok… - Physical Review B …, 2011 - APS
We have measured coherent terahertz emission spectra from Bi 2 Sr 2 CaCu 2 O 8+ δ mesa
devices as a function of temperature and mesa bias voltage. The emission frequency is …

Terahertz emission from mutually synchronized standalone intrinsic-Josephson-junction stacks

R Wieland, O Kizilaslan, N Kinev, E Dorsch… - Physical Review …, 2024 - APS
Suitably patterned single crystals made of the cuprate superconductor Bi 2 Sr 2 CaCu 2 O
8+ x (BSCCO), intrinsically forming a stack of Josephson junctions, can generate …

The present status of high-Tc superconducting terahertz emitters

T Kashiwagi, H Kubo, K Sakamoto… - Superconductor …, 2017 - iopscience.iop.org
A terahertz (THz) wave emitter using the stack of intrinsic Josephson junctions present in the
high-T c superconductor Bi 2 Sr 2 CaCu 2 O 8+ δ (Bi2212) has been developed. By applying …

Pseudogap problem in high-temperature superconductors

SI Vedeneev - Physics-Uspekhi, 2021 - iopscience.iop.org
It has been more than 30 years since the discovery of high-temperature superconductors
(HTSCs). The number of articles published on the subject is huge, but the cause of the high …

Direct imaging of hot spots in Bi2Sr2CaCu2O8+ δ mesa terahertz sources

TM Benseman, AE Koshelev, WK Kwok… - Journal of applied …, 2013 - pubs.aip.org
Stacks of intrinsic Josephson junctions (IJJs) made from high-temperature superconductors
such as Bi 2 Sr 2 CaCu 2 O 8+ δ (Bi-2212)(BSCCO) are a promising source of coherent …