IBM aims for million qubit quantum computer

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The 1000 qubit system in 2023 will have addressed the scalability challenges for much larger systems, says IBM.“We think [this] will take us from the noisy, small-scale devices of today to the million-plus qubit devices of the future,” said Jay Gambetta, IBM Fellow and Vice President of IBM Quantum. “Our hardware roadmap sits at the heart of a larger mission, to design a full-stack quantum computer deployed via the cloud that anyone around the world can program,” said Gambetta.The IBM system is based around the electronic quantum states of artificial atoms known as superconducting transmon qubits, which are connected and manipulated by sequences of microwave pulses in order to run these circuits.The company has been working on superconducting qubits since the mid-2000s, increasing coherence times and decreasing errors to enable multi-qubit devices in the early 2010s. It now has over 24 stable systems on the IBM Cloud for clients and the general public to experiment on. These include the 5-qubit Canary processors and 27-qubit Falcon processors.The 1000 qubit device, IBM Quantum Condor, will be launched by the end of 2023 and to house larger systems IBM is developing a dilution refrigerator larger than any currently available commercially.“Simultaneous to our …

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