[HTML][HTML] Ferromagnetic materials for Josephson π junctions
The past two decades have seen an explosion of work on Josephson junctions containing
ferromagnetic materials. Such junctions are under consideration for applications in digital …
ferromagnetic materials. Such junctions are under consideration for applications in digital …
[BOOK][B] Single Flux Quantum Integrated Circuit Design
G Krylov, EG Friedman - 2024 - Springer
Conventional semiconductor-based digital electronics, with complementary metal oxide
semiconductor (CMOS) technology as the primary example, has experienced meteoric …
semiconductor (CMOS) technology as the primary example, has experienced meteoric …
Superconducting circuits without inductors based on bistable Josephson junctions
Magnetic flux quantization in superconductors allows the implementation of fast and energy-
efficient digital superconducting circuits. However, information representation in magnetic …
efficient digital superconducting circuits. However, information representation in magnetic …
Low-power high-speed half-flux-quantum circuits driven by low bias voltages
F Li, Y Takeshita, D Hasegawa, M Tanaka… - Superconductor …, 2021 - iopscience.iop.org
Abstract Half-flux-quantum (HFQ) circuits store and propagate half-flux quanta. The basic
circuit element is a 0-π SQUID, which is a superconducting quantum interference device …
circuit element is a 0-π SQUID, which is a superconducting quantum interference device …
Superconductor digital circuits with π junctions alone
F Li, Y Takeshita, M Tanaka, A Fujimaki - Applied Physics Letters, 2023 - pubs.aip.org
We adopt superconductor/ferromagnet/insulator/superconductor (SFIS) Josephson junctions
(JJs) as both switching JJs and intrinsic π phase shifters in superconductor digital circuits …
(JJs) as both switching JJs and intrinsic π phase shifters in superconductor digital circuits …
Superconductive Electronics: A 25-Year Review [Feature]
The challenges of conventional semiconducting electronics, such as dark silicon, memory
wall, and stagnant clock frequency motivate the search for alternative computing …
wall, and stagnant clock frequency motivate the search for alternative computing …
Planarized Fabrication Process With Two Layers of SIS Josephson Junctions and Integration of SIS and SFS π-Junctions
We present our new fabrication process for superconductor electronics that integrates two
layers of Josephson junctions (JJs) in a fully planarized multilayer process on 200-mm …
layers of Josephson junctions (JJs) in a fully planarized multilayer process on 200-mm …
High-speed memory driven by SFQ pulses based on 0-π SQUID
We propose a new cryogenic high-speed and low-power matrix memory required for
achieving a high-performance superconductor computing system. The memory cell is based …
achieving a high-performance superconductor computing system. The memory cell is based …
Analysis of the effect of 0-π SQUIDs for enhancing mutual coupling
M Higashi, Y Takeshita, K Kato… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
This study shows that we can obtain an enhanced mutual coupling by using a
superconducting quantum interference device (SQUID) containing a π-phase shift …
superconducting quantum interference device (SQUID) containing a π-phase shift …
Demonstration of interface circuits between half-and single-flux-quantum circuits
We demonstrated interface circuits between a half-flux-quantum (HFQ) circuit and a rapid
single-flux-quantum (RSFQ) circuit to obtain SFQ/HFQ and HFQ/SFQ converters. These …
single-flux-quantum (RSFQ) circuit to obtain SFQ/HFQ and HFQ/SFQ converters. These …