Cryogenic memory technologies

S Alam, MS Hossain, SR Srinivasa, A Aziz - Nature Electronics, 2023 - nature.com
Cryogenic data storage technology is of use in superconducting single-flux quantum
electronics and quantum computing. However, the lack of compatible cryogenic memory …

Colloquium: Spin-orbit effects in superconducting hybrid structures

M Amundsen, J Linder, JWA Robinson, I Žutić… - Reviews of Modern …, 2024 - APS
Spin-orbit coupling (SOC) relates to the interaction between an electron's motion and its spin
and is ubiquitous in solid-state systems. Although the effect of SOC in normal-state …

Demonstration of a superconducting diode-with-memory, operational at zero magnetic field with switchable nonreciprocity

T Golod, VM Krasnov - Nature Communications, 2022 - nature.com
Diode is one of the basic electronic components. It has a nonreciprocal current response,
associated with a broken space/time reversal symmetry. Here we demonstrate prototypes of …

Singlet-doublet transitions of a quantum dot Josephson junction detected in a transmon circuit

A Bargerbos, M Pita-Vidal, R Žitko, J Ávila, LJ Splitthoff… - PRX Quantum, 2022 - APS
We realize a hybrid superconductor-semiconductor transmon device in which the
Josephson effect is controlled by a gate-defined quantum dot in an In As-Al nanowire …

SuperNPU: An extremely fast neural processing unit using superconducting logic devices

K Ishida, I Byun, I Nagaoka, K Fukumitsu… - 2020 53rd Annual …, 2020 - ieeexplore.ieee.org
Superconductor single-flux-quantum (SFQ) logic family has been recognized as a highly
promising solution for the post-Moore's era, thanks to its ultra-fast and low-power switching …

Magnetoelectric effects in Josephson junctions

IV Bobkova, AM Bobkov, MA Silaev - Journal of Physics …, 2022 - iopscience.iop.org
The review is devoted to the fundamental aspects and characteristic features of the
magnetoelectric effects, reported in the literature on Josephson junctions (JJs). The main …

Very large scale integration of Josephson-junction-based superconductor random access memories

VK Semenov, YA Polyakov… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Arrays of vortex transitional (VT) memory cells with functional density up to 1 Mbit/cm 2 have
been designed, fabricated, and successfully demonstrated. This progress is due to recent …

Cryogenic memory architecture integrating spin Hall effect based magnetic memory and superconductive cryotron devices

MH Nguyen, GJ Ribeill, MV Gustafsson, S Shi… - Scientific reports, 2020 - nature.com
One of the most challenging obstacles to realizing exascale computing is minimizing the
energy consumption of L2 cache, main memory, and interconnects to that memory. For …

Cryogenic memory element based on an anomalous Josephson junction

C Guarcello, FS Bergeret - Physical Review Applied, 2020 - APS
We propose a nonvolatile memory element based on a lateral ferromagnetic Josephson
junction with spin-orbit coupling and out-of-plane magnetization. The interplay between the …

Charge configuration memory devices: energy efficiency and switching speed

A Mraz, R Venturini, D Svetin, V Sever, IA Mihailovic… - Nano Letters, 2022 - ACS Publications
Current trends in data processing have given impetus for an intense search of new concepts
of memory devices with emphasis on efficiency, speed, and scalability. A promising new …