TU Darmstadt researchers have developed a quantum processor with over 1,000 atomic qubits, marking a significant advancement in quantum computing scalability. This breakthrough could enable the future expansion of qubits to 10,000, enhancing various technological applications., as their benefits become more apparent with larger systems. Researchers at TU Darmstadt have made significant progress in achieving this goal.
“We are extremely pleased that we were the first to break the mark of 1,000 individually controllable atomic qubits because so many other outstanding competitors are hot on our heels,” says Birkl about their results.The researchers were able to demonstrate in their experiments that their approach of combining the latest quantum-optical methods with advanced micro-optical technology has enabled them to significantly increase the current limits on the accessible number of qubits.
This was achieved by introducing the novel method of “quantum bit supercharging.” It allowed them to overcome the restrictions imposed on the number of usable qubits by the limited performance of the lasers. 1305 single-atom qubits were loaded in a quantum array with 3,000 trap sites and reassembled into defect-free target structures with up to 441 qubits.
For many different applications, 1,000 qubits is seen as the threshold value from which the boost to efficiency promised by quantum computers can now be demonstrated for the first time. Researchers around the world have thus been working intensively to be the first to break this threshold. The recently published research work demonstrates that for atomic qubits this breakthrough was achieved for the first time worldwide by the research group headed by Professor Birkl.
Reference: “Supercharged two-dimensional tweezer array with more than 1000 atomic qubits” by Malte Schlosser, Marcel Mittenbühler, Gerhard Birkl, Lukas Sturm, Dominik Schäffner, Stephan Amann, Lars Pause and Tilman Preuschoff, 19 February 2024,SciTechDaily: Home of the best science and technology news since 1998. Keep up with the latest scitech news via email or social media.Moving one step closer to understanding mysteries at the edge of the universe.
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