New breakthrough<\/i>\u00a0outstrips all other silicon QPUs<\/i>\u00a0and\u00a0<\/i>demonstrates<\/i>\u00a0increasing qubit quality<\/i>\u00a0with increasing qubit count:<\/i>\u00a0clearing the path to<\/i>\u00a0fault tolerant,<\/i>\u00a0commercial scale systems<\/i>\u00a0<\/p>\n
SYDNEY<\/span><\/span>, Dec. 18, 2025<\/span><\/span> \/PRNewswire\/ — Silicon Quantum Computing (“SQC”), a leader in quantum computing and quantum machine learning, has achieved a breakthrough that positions the company at the forefront of the silicon modality, widely viewed as the most scalable approach to quantum computing. Nature<\/i>,\u00a0the world’s leading multidisciplinary science journal,\u00a0today published<\/a> this landmark achievement: a multi-qubit, multi-register\u00a0quantum\u00a0processor with exceptional\u00a0quality\u00a0and performance that improves as the system scales.\u00a0<\/p>\n With\u00a0fidelities\u00a0up to 99.99%,\u00a0SCQ’s latest\u00a0result\u00a0sets a new\u00a0milestone for the quantum computing\u00a0field.\u00a0Typically, when quantum systems add more\u00a0qubits\u00a0and become more complex, their quality declines. SQC’s\u00a0architecture\u00a0demonstrates\u00a0the\u00a0opposite: as qubit count increases, the qubit quality strengthens\u00a0\u2013\u00a0a\u00a0critical requirement\u00a0for fault tolerant, commercial scale\u00a0systems.\u00a0<\/p>\n Building a quantum computer in silicon is\u00a0a\u00a0natural choice\u00a0for the field. The world has already\u00a0refined\u00a0classical computing in silicon,\u00a0and it is\u00a0one of\u00a0the world’s best understood elements.\u00a0This material choice\u00a0leverages\u00a0trillions of dollars in R&D, semiconductor\u00a0fabrication\u00a0and\u00a0wafer\u00a0purification.\u00a0<\/p>\n SQC is the only private quantum computing company that manufactures its own quantum chips (QPUs). The company’s industry-leading manufacturing process, developed over 25 years, patterns chips with 0.13\u00a0nanometer\u00a0(atom level) precision, placing phosphorus atoms within pure silicon wafers. It is the most\u00a0accurate\u00a0semiconductor manufacturing process in the world \u2013 a demonstration of SQC’s commitment to materials purity and precision engineering, no less than what is\u00a0required\u00a0to deliver commercial scale quantum computing.\u00a0<\/p>\n SQC has consistently delivered world-leading accuracy on\u00a0benchmark\u00a0quantum\u00a0algorithms such as Grover’s<\/a>.\u00a0Now, with these results achieved across multiple registers, the path for scaling toward millions of qubits is clear.\u00a0<\/p>\n SQC<\/b>‘<\/b>s Founder and CEO, Michelle Simmons<\/span>, said:<\/b>\u00a0“<\/i>In most quantum systems, scale comes at the cost of performance.<\/i>\u00a0Our system<\/i>\u00a0increases in<\/i>\u00a0quality as it scales, an immense achievement that<\/i>\u00a0we<\/i>‘<\/i>re\u00a0<\/i>proud to share with the world.<\/i>\u00a0It<\/i>‘<\/i>s\u00a0<\/i>a reflection of our careful choices in materials,<\/i>\u00a0architecture<\/i>\u00a0and modality, which puts us on track to deliver the world<\/i>‘<\/i>s first commercial scale quantum computer.<\/i>“<\/i>\u00a0<\/p>\n SQC Chair<\/b>\u00a0and\u00a0<\/b>former ARM CEO Simon Segars<\/span>, added:<\/b>\u00a0“<\/i>Today<\/i>‘<\/i>s announcement illustrates the elegance and powerful simplicity of SQC<\/i>‘<\/i>s approach. Alongside our customers and partners,<\/i>\u00a0we<\/i>‘<\/i>re\u00a0<\/i>delivering value and commercial advantage in quantum computing today.<\/i>\u00a0I<\/i>‘<\/i>m\u00a0<\/i>proud to support a team that is both leading the field scientifically while<\/i>\u00a0delivering real-world solutions.<\/i>“<\/i>\u00a0<\/p>\n This achievement follows a series of advancements in SQC’s commercial momentum. The company recently progressed\u00a0to\u00a0Stage B of DARPA’s Quantum Benchmarking Initiative<\/a>\u00a0and its quantum technologies are already delivering impact: Telstra reported\u00a0dramatic reductions in model training time<\/a>\u00a0using SQC’s quantum machine learning systems. Additionally,\u00a0Australian Defence purchased a rack-mounted system<\/a>\u00a0for deployment within its\u00a0datacenter\u00a0environment.\u00a0<\/p>\n For more information, visit\u00a0www.sqc.com.au<\/a>\u00a0<\/p>\n About Silicon Quantum Computing<\/b>\u00a0<\/p>\n Silicon Quantum Computing (“SQC”) is at the forefront of global efforts to build a commercial-scale quantum system. Leveraging over 25 years of technological excellence and delivery, SQC’s proprietary machines and processes allow the company to see and control matter atom-by-atom. SQC’s atomically engineered quantum machine learning chips and universal quantum computing systems have\u00a0demonstrated\u00a0world-leading algorithmic fidelity, positioning the company at the forefront of quantum innovation. Controlling its own QPU manufacturing means that SQC can design, produce and test new systems every week while delivering quantum machine learning and simulation systems to customers today.\u00a0The company was founded in 2017 and is headquartered in Sydney<\/span>, Australia.\u00a0<\/p>","protected":false},"excerpt":{"rendered":" <\/p>\n New breakthrough<\/i>\u00a0outstrips all other silicon QPUs<\/i>\u00a0and\u00a0<\/i>demonstrates<\/i>\u00a0increasing qubit quality<\/i>\u00a0with increasing qubit count:<\/i>\u00a0clearing the path to<\/i>\u00a0fault tolerant,<\/i>\u00a0commercial scale systems<\/i>\u00a0<\/p>\n SYDNEY<\/span><\/span>, Dec. 18, 2025<\/span><\/span> \/PRNewswire\/ — Silicon Quantum Computing (“SQC”), a leader in quantum computing and quantum machine learning, has achieved a breakthrough that positions the company at the forefront of the silicon modality, widely viewed as the most scalable approach to quantum computing. Nature<\/i>,\u00a0the world’s leading multidisciplinary science journal,\u00a0today published<\/a> this landmark achievement: a multi-qubit, multi-register\u00a0quantum\u00a0processor with exceptional\u00a0quality\u00a0and performance that improves as the system scales.\u00a0<\/p>\n With\u00a0fidelities\u00a0up to 99.99%,\u00a0SCQ’s latest\u00a0result\u00a0sets a new\u00a0milestone for the quantum computing\u00a0field.\u00a0Typically, when quantum systems add more\u00a0qubits\u00a0and become more complex, their quality declines. SQC’s\u00a0architecture\u00a0demonstrates\u00a0the\u00a0opposite: as qubit count increases, the qubit quality strengthens\u00a0\u2013\u00a0a\u00a0critical requirement\u00a0for fault tolerant, commercial scale\u00a0systems.\u00a0<\/p>\n Building a quantum computer in silicon is\u00a0a\u00a0natural choice\u00a0for the field. The world has already\u00a0refined\u00a0classical computing in silicon,\u00a0and it is\u00a0one of\u00a0the world’s best understood elements.\u00a0This material choice\u00a0leverages\u00a0trillions of dollars in R&D, semiconductor\u00a0fabrication\u00a0and\u00a0wafer\u00a0purification.\u00a0<\/p>\n SQC is the only private quantum computing company that manufactures its own quantum chips (QPUs). The company’s industry-leading manufacturing process, developed over 25 years, patterns chips with 0.13\u00a0nanometer\u00a0(atom level) precision, placing phosphorus atoms within pure silicon wafers. It is the most\u00a0accurate\u00a0semiconductor manufacturing process in the world \u2013 a demonstration of SQC’s commitment to materials purity and precision engineering, no less than what is\u00a0required\u00a0to deliver commercial scale quantum computing.\u00a0<\/p>\n SQC has consistently delivered world-leading accuracy on\u00a0benchmark\u00a0quantum\u00a0algorithms such as Grover’s<\/a>.\u00a0Now, with these results achieved across multiple registers, the path for scaling toward millions of qubits is clear.\u00a0<\/p>\n SQC<\/b>‘<\/b>s Founder and CEO, Michelle Simmons<\/span>, said:<\/b>\u00a0“<\/i>In most quantum systems, scale comes at the cost of performance.<\/i>\u00a0Our system<\/i>\u00a0increases in<\/i>\u00a0quality as it scales, an immense achievement that<\/i>\u00a0we<\/i>‘<\/i>re\u00a0<\/i>proud to share with the world.<\/i>\u00a0It<\/i>‘<\/i>s\u00a0<\/i>a reflection of our careful choices in materials,<\/i>\u00a0architecture<\/i>\u00a0and modality, which puts us on track to deliver the world<\/i>‘<\/i>s first commercial scale quantum computer.<\/i>“<\/i>\u00a0<\/p>\n SQC Chair<\/b>\u00a0and\u00a0<\/b>former ARM CEO Simon Segars<\/span>, added:<\/b>\u00a0“<\/i>Today<\/i>‘<\/i>s announcement illustrates the elegance and powerful simplicity of SQC<\/i>‘<\/i>s approach. Alongside our customers and partners,<\/i>\u00a0we<\/i>‘<\/i>re\u00a0<\/i>delivering value and commercial advantage in quantum computing today.<\/i>\u00a0I<\/i>‘<\/i>m\u00a0<\/i>proud to support a team that is both leading the field scientifically while<\/i>\u00a0delivering real-world solutions.<\/i>“<\/i>\u00a0<\/p>\n This achievement follows a series of advancements in SQC’s commercial momentum. The company recently progressed\u00a0to\u00a0Stage B of DARPA’s Quantum Benchmarking Initiative<\/a>\u00a0and its quantum technologies are already delivering impact: Telstra reported\u00a0dramatic reductions in model training time<\/a>\u00a0using SQC’s quantum machine learning systems. Additionally,\u00a0Australian Defence purchased a rack-mounted system<\/a>\u00a0for deployment within its\u00a0datacenter\u00a0environment.\u00a0<\/p>\n