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Quantum processors are difficult to compare due to the different architectures and approaches. Due to this, published physical qubit numbers do not reflect the performance levels of the processor. This is instead achieved through the number of logical qubits or benchmarking metrics such as quantum volume , randomized benchmarking or circuit ...
For example, Microsoft is working on a computer based on the quantum properties of two-dimensional quasiparticles called anyons. [142] [143] [144] As part of this research, Microsoft unveiled Majorana 1 in February 2025, a quantum processor which leverages topological superconductors with potential Majorana zero modes.
IBM Osprey is a 433-qubit quantum processor created by IBM, revealed during the IBM Quantum Summit 2022, which occurred on November 9, 2022, in New York, United States. [1] It is 3 times larger than its predecessor, the IBM Eagle. [2] [better source needed] It needs to be cooled down to a temperature of ~0.02 K (-273.13 °C).
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.
Various models of quantum computation exist, but the most popular models incorporate concepts of qubits and quantum gates (or gate-based superconducting quantum computing). Superconductors are implemented due to the fact that at low temperatures they have infinite conductivity and zero resistance.
Sycamore is a transmon superconducting quantum processor created by Google's Artificial Intelligence division. [1] It has 53 qubits. [2] In 2019, Sycamore completed a task in 200 seconds that Google claimed, in a Nature paper, would take a state-of-the-art supercomputer 10,000 years to finish. Thus, Google claimed to have achieved quantum ...
typical thermal power, which is measured under normal load (for instance, AMD's average CPU power) maximum thermal power , which is measured under a worst-case load For example, the Pentium 4 2.8 GHz has a 68.4 W typical thermal power and 85 W maximum thermal power.
According to Microsoft Azure Quantum's scheme, NISQ computation is considered level 1, the lowest of the quantum computing implementation levels. [7] [8] In October 2023, the 1,000 qubit mark was passed for the first time by Atom Computing's 1,180 qubit quantum processor. [9]