Atom Computing first to exceed 1,000 qubit quantum computer

Atom Computing first to exceed 1,000 qubit quantum computer

Technology News |
By Nick Flaherty

Atom Computing in Colorado has created a 1,225-site atomic array, currently populated with 1,180 qubits, in its next-generation quantum computer.

This is the first time a company has crossed the 1,000-qubit threshold for a universal gate-based system says Atom Computing, which plans to release a fault tolerant quantum computer next year.

Rapid scaling is a key benefit of Atom Computing’s array technology that uses neutral atoms, says CEO Rob Hays. “This order-of-magnitude leap – from 100 to 1,000-plus qubits within a generation – shows our atomic array systems are quickly gaining ground on more mature qubit modalities,” he said. 

“Scaling to large numbers of qubits is critical for fault-tolerant quantum computing, which is why it has been our focus from the beginning. We are working closely with partners to explore near-term applications that can take advantage of these larger scale systems.”

Fault-tolerant quantum computers that can overcome errors during computations and deliver accurate results will require hundreds of thousands, if not millions, of physical qubits.

The company has achieved record coherence times by demonstrating its qubits can store quantum information for 40 seconds and also demonstrated the ability to measure the quantum state of specific qubits during computation and detect certain types of errors without disturbing other qubits.

Being able to control qubits consistently and accurately reduces the number of errors that occur during a computation for a high fidelity system and the system can correct errors in real time. Algorithms and control logic can use large numbers of physical qubits into a “logical qubit” designed to yield correct results even when errors occur.

“We welcome innovations like the neutral atom approach to building quantum computers as from Atom Computing. In the end, we want quantum algorithms to make an economic difference and open up new opportunities, and for that goal scalable hardware, high fidelity, and long coherence times are very promising ingredients,” said Guenter Klas, leader of the Quantum Research Cluster at Vodafone.

Tommaso Demarie, CEO of Entropica Labs, a strategic partner of Atom Computing, said, “Developing a 1,000-plus qubit quantum technology marks an exceptional achievement for the Atom Computing team and the entire industry. With expanded computational capabilities, we can now delve deeper into the intricate realm of error correction schemes, designing and implementing strategies that pave the way for more reliable and scalable quantum computing systems. Entropica is enthusiastic about collaborating with Atom Computing as we create software that takes full advantage of their large-scale quantum computers.”

Atom Computing is working with enterprise, academic, and government users to develop applications and reserve time on the systems, which will be available in 2024 and is part of the recent quantum tech hub in Colorado announced by the US government.

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