{"id":62363,"date":"2025-09-27T07:57:43","date_gmt":"2025-09-27T11:57:43","guid":{"rendered":"https:\/\/www.rudebaguette.com\/?p=62363"},"modified":"2025-09-26T15:47:53","modified_gmt":"2025-09-26T19:47:53","slug":"scientists-control-6100-quantum-particles-simultaneously-caltech-physicists-reveal-computer-that-makes-silicon-chips-worthless","status":"publish","type":"post","link":"https:\/\/www.rudebaguette.com\/en\/2025\/09\/scientists-control-6100-quantum-particles-simultaneously-caltech-physicists-reveal-computer-that-makes-silicon-chips-worthless\/","title":{"rendered":"“Scientists Control 6,100 Quantum Particles Simultaneously”: Caltech Physicists Reveal Computer That Makes Silicon Chips Worthless"},"content":{"rendered":"
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IN A NUTSHELL<\/strong><\/td>\n<\/tr>\n
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  • \ud83d\udd2c Physicists at Caltech have created the largest-ever array<\/strong> of neutral-atom qubits, consisting of 6,100 qubits.<\/li>\n
  • \ud83d\udca1 The team employed optical tweezers<\/strong> to trap cesium atoms, achieving both scale and high accuracy<\/strong> of 99.98%.<\/li>\n
  • \u269b\ufe0f Researchers moved atoms across the array while preserving superposition<\/strong>, advancing error correction methods.<\/li>\n
  • \ud83d\udd17 The next goal is to achieve entanglement<\/strong>, essential for full-scale quantum computation and simulating natural phenomena.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

    Quantum computing has long been heralded as the next frontier in technology, promising to revolutionize fields ranging from cryptography to drug discovery. This promise hinges on the development of qubits, the fundamental units of quantum information. Unlike classical bits, which are binary, qubits can exist in multiple states simultaneously, a property that allows for unprecedented computational power. However, this same property also makes qubits notoriously difficult to maintain and scale. Recently, researchers at Caltech have made a significant breakthrough by creating the largest array of qubits to date, consisting of 6,100 neutral-atom qubits. This development marks a crucial step toward realizing the full potential of quantum computing.<\/p>\n

    Scaling Up Neutral-Atom Qubits<\/h2>\n

    The team at Caltech, led by Professor Manuel Endres, employed a sophisticated technique involving optical tweezers\u2014tightly focused laser beams\u2014to trap cesium atoms in a vacuum chamber. By splitting a single laser into 12,000 tweezers, they successfully arranged 6,100 atoms into a precisely controlled grid. According to graduate student Hannah Manetsch, the visual result of this arrangement is striking, as each qubit appears as a pinpoint of light on the screen. This achievement not only demonstrates the capability to scale up quantum systems but does so without sacrificing the quality of the qubits.<\/p>\n

    A significant challenge in scaling up is maintaining the qubits’ superposition, their ability to exist in multiple states at once. In this experiment, the qubits remained in superposition for approximately 13 seconds, nearly ten times longer than previous attempts with similar systems. Moreover, the team achieved an impressive 99.98 percent accuracy in manipulating individual qubits. Graduate student Gyohei Nomura highlighted the importance of this dual achievement, noting that large-scale quantum systems often compromise accuracy for scale. Yet, their results defy this trend, demonstrating that it is possible to achieve both quantity and quality in quantum computing.<\/p>\n

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