Logic circuitry that requires low temperatures to achieve superconductivity
Superconducting logic refers to a class of logic circuits or logic gates that use the unique properties of superconductors, including zero-resistance wires, ultrafast Josephson junction switches, and quantization of magnetic flux (fluxoid). As of 2023, superconducting computing is a form of cryogenic computing, as superconductive electronic circuits require cooling to cryogenic temperatures for operation, typically below 10 kelvin. Often superconducting computing is applied to quantum computing, with an important application known as superconducting quantum computing.
Superconducting digital logic circuits use single flux quanta (SFQ), also known as magnetic flux quanta, to encode, process, and transport data. SFQ circuits are made up of active Josephson junctions and passive elements such as inductors, resistors, transformers, and transmission lines. Whereas voltages and capacitors are important in semiconductor logic circuits such as CMOS, currents and inductors are most important in SFQ logic circuits. Power can be supplied by either direct current or alternating current, depending on the SFQ logic family.
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superconductingcomputing is applied to quantum computing, with an important application known as superconducting quantum computing. Superconducting digital...
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superfluids photonics and optical computingsuperconductingcomputing rapid single-flux quantum (RSFQ) Superconductingcomputing includes several beyond-CMOS...
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three-dimensional superconducting cavity. Understanding the limits of T2 is an active area of research in the field of superconducting quantum computing. Charge...
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related technology is the Rapid Single Flux Quantum digital logic. Superconductingcomputing Hosoya, M.; Hioe, W.; Casas, J.; Kamikawai, R.; Harada, Y.; Wada...
(9 Oct 2023). "Observation of non-Abelian exchange statistics on a superconducting processor". arXiv:2210.10255. {{cite journal}}: Cite journal requires...
using three superconducting qubits with pair-wise coupling. Controlled NOT gate Fredkin gate Reversible computing Bijection Quantum computing Quantum logic...
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not quantum computing, technology. RSFQ is very different from the CMOS transistor technology used in conventional computers: Superconducting devices require...
In quantum computing, a qubit (/ˈkjuːbɪt/) or quantum bit is a basic unit of quantum information—the quantum version of the classic binary bit physically...
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