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 …

Integrated superconducting receivers

VP Koshelets, SV Shitov - Superconductor Science and …, 2000 - iopscience.iop.org
The concept of a fully superconducting integrated receiver is developed and experimentally
tested. This single-chip sub-mm wave receiver includes a planar antenna integrated with a …

Weak links in high critical temperature superconductors

F Tafuri, JR Kirtley - Reports on Progress in Physics, 2005 - iopscience.iop.org
The traditional distinction between tunnel and highly transmissive barriers does not currently
hold for high critical temperature superconducting Josephson junctions, both because of …

Demonstration of a Josephson vortex-based memory cell with microwave energy-efficient readout

DS Kalashnikov, VI Ruzhitskiy, AG Shishkin… - Communications …, 2024 - nature.com
The ongoing progress of superconducting logic systems with Josephson junctions as base
elements requires the development of compatible cryogenic memory. Long enough …

Josephson effect between a two-band superconductor with or pairing symmetry and a conventional -wave superconductor

SZ Lin - Physical Review B—Condensed Matter and Materials …, 2012 - APS
In this work, we investigate the Josephson effect between a two-band superconductor either
with the s++(two energy gaps have the same sign and are fully gapped) pairing symmetry or …

Fluxons in high-impedance long Josephson junctions

M Wildermuth, L Powalla, JN Voss, Y Schön… - Applied Physics …, 2022 - pubs.aip.org
The dynamics of fluxons in long Josephson junctions is a well-known example of soliton
physics and allows for studying highly nonlinear relativistic electrodynamics on a …

Dynamic transition of vortices into phase slips and generation of vortex-antivortex pairs in thin film Josephson junctions under dc and ac currents

A Sheikhzada, A Gurevich - Physical Review B, 2017 - APS
We present theoretical and numerical investigations of vortices driven by strong dc and ac
currents in long Josephson junctions described by a nonlinear integro-differential equation …

Josephson flux-flow oscillator: The microscopic tunneling approach

DR Gulevich, VP Koshelets, FV Kusmartsev - Physical Review B, 2017 - APS
We elaborate a theoretical description of large Josephson junctions which is based on
Werthamer's microscopic tunneling theory. The model naturally incorporates coupling of …

Radiation from a single Josephson junction into free space due to Josephson oscillations

LN Bulaevskii, AE Koshelev - Physical review letters, 2006 - APS
We consider electromagnetic emission from a Josephson junction (JJ) in a resistive state in
an external magnetic field and derive the radiation power from the dielectric layer inside a JJ …

Influence of surface losses and the self-pumping effect on current-voltage characteristics of a long Josephson junction

AL Pankratov, AS Sobolev, VP Koshelets… - Physical Review B …, 2007 - APS
We have numerically investigated the dynamics of a long linear Josephson tunnel junction
with overlap geometry. Biased by a direct current (dc) and an applied dc magnetic field, the …