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This list contains quantum processors, also known as quantum processing units (QPUs). Some devices listed below have only been announced at press conferences so far, with no actual demonstrations or scientific publications characterizing the performance. Quantum processors are difficult to compare due to the different architectures and
This article lists the companies worldwide engaged in the development of quantum computing, quantum communication and quantum sensing. Quantum computing and communication are two sub-fields of quantum information science , which describes and theorizes information science in terms of quantum physics .
The current state of quantum computing [1] is referred to as the noisy intermediate-scale quantum (NISQ) era, [2] [3] characterized by quantum processors containing up to 1,000 qubits which are not advanced enough yet for fault-tolerance or large enough to achieve quantum advantage.
Neutral atom quantum computing makes use of several technological advancements in the field laser cooling, magneto-optical trapping and optical tweezers. In one example of the architecture, [9] an array of atoms is loaded into a laser cooled at micro-kelvin temperatures. In each of these atoms, two levels of hyperfine ground subspace are isolated.
IBM Eagle is a 127-qubit quantum processor. [1] [2] IBM claims that it can not be simulated by any classical computer.[3] [4] It is two times bigger than China's Jiuzhang 2. [5]It was revealed on November 16, 2021 and was claimed to be the most powerful quantum processor ever made until November 2022, when the IBM Osprey overtook it with 433 qubits.
IBM Heron is a 156-qubit tunable-coupler quantum processor created by IBM, originally unveiled during the IBM Quantum Summit 2023, which occurred on December 4, 2023, and is the highest performance quantum processor IBM has ever built. [1] [2] It is currently in use on the IBM Quantum System Two, unveiled during the same event. [1]
This month, Quantum Computing reported third-quater GAAP loss per share of $0.06, an improvement from a loss of $0.10 year-over-year. However, sales totaled $101,000, missing the $300,000 estimate .
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).