Multiterminal josephson effect

N Pankratova, H Lee, R Kuzmin, K Wickramasinghe… - Physical Review X, 2020‏ - APS
We report a probable observation of the dc Josephson effect in mesoscopic junctions of
three and four superconductors. The devices are fabricated in a top-down fashion from a …

Hard superconducting gap in germanium

A Tosato, V Levajac, JY Wang, CJ Boor… - Communications …, 2023‏ - nature.com
The co-integration of spin, superconducting, and topological systems is emerging as an
exciting pathway for scalable and high-fidelity quantum information technology. High …

Computational perspective on recent advances in quantum electronics: from electron quantum optics to nanoelectronic devices and systems

J Weinbub, R Kosik - Journal of Physics: Condensed Matter, 2022‏ - iopscience.iop.org
Quantum electronics has significantly evolved over the last decades. Where initially the clear
focus was on light–matter interactions, nowadays approaches based on the electron's wave …

Selective control of conductance modes in multi-terminal Josephson junctions

GV Graziano, M Gupta, M Pendharkar, JT Dong… - Nature …, 2022‏ - nature.com
The Andreev bound state spectra of multi-terminal Josephson junctions form an artificial
band structure, which is predicted to host tunable topological phases under certain …

Transport studies in a gate-tunable three-terminal Josephson junction

GV Graziano, JS Lee, M Pendharkar, CJ Palmstrøm… - Physical Review B, 2020‏ - APS
Josephson junctions with three or more superconducting leads have been predicted to
exhibit topological effects in the presence of few conducting modes within the interstitial …

Dynamical stabilization of multiplet supercurrents in multiterminal Josephson junctions

EG Arnault, S Idris, A McConnell, L Zhao… - Nano Letters, 2022‏ - ACS Publications
The dynamical properties of multiterminal Josephson junctions (MT-JJs) have attracted
interest, driven by the promise of new insights into synthetic topological phases of matter …

Multiterminal inverse AC Josephson effect

EG Arnault, TFQ Larson, A Seredinski, L Zhao… - Nano …, 2021‏ - ACS Publications
When a Josephson junction is exposed to microwave radiation, it undergoes the inverse AC
Josephson effect─ the phase of the junction locks to the drive frequency. As a result, the I–V …

Quantum interferometer for quartets in superconducting three-terminal Josephson junctions

R Mélin, D Feinberg - Physical Review B, 2023‏ - APS
An interferometric device is proposed in order to analyze the quartet mode in biased three-
terminal Josephson junctions (TTJs), and to provide experimental evidence for the …

Evidence for 4e charge of Cooper quartets in a biased multi-terminal graphene-based Josephson junction

KF Huang, Y Ronen, R Mélin, D Feinberg… - Nature …, 2022‏ - nature.com
In a Josephson junction (JJ) at zero bias, Cooper pairs are transported between two
superconducting contacts via the Andreev bound states (ABSs) formed in the Josephson …

Supercurrent in Bi4Te3 Topological Material-Based Three-Terminal Junctions

J Kölzer, AR Jalil, D Rosenbach, L Arndt, G Mussler… - Nanomaterials, 2023‏ - mdpi.com
In this paper, in an in situ prepared three-terminal Josephson junction based on the
topological insulator Bi 4 Te 3 and the superconductor Nb the transport properties are …