Equal1, a global leader in silicon-powered quantum computing, has announced a breakthrough in the field, demonstrating world-leading performance for a silicon qubit array and the most complex quantum controller chip developed to date.
This achievement paves the way for the next phase of quantum computing, showcasing the fastest route to scaling by leveraging existing silicon infrastructure. The company’s Chief Scientific Officer, Elena Blokhina, hailed this milestone as a critical inflection point for both Equal1 and the industry. The breakthrough qubit silicon chip metrics include a single qubit gate with fidelity of 99.4% and gate speed of 84ns, and a two-qubit gate with fidelity of 98.4% and gate speed of 72ns.
Additionally, Equal1 unveiled the world’s first multi-tile Quantum Controller Chip, operating at 300 millikelvin and powered by Arm Cortex cores, which will enable scaling to millions of orchestrated qubits on a single chip. Key individuals involved in this work include Nodar Samkharadze, Chief Quantum Architect, Brendan Barry, Chief Technology Officer, and Dirk Leipold, President and Chief Physicist, as well as Dermot O’Driscoll from Arm.
Breakthrough in Silicon-Powered Quantum Computing: A New Era of Scalability
Equal1, a pioneer in silicon-powered quantum computing, has announced a significant breakthrough in the field, demonstrating world-leading performance for a silicon qubit array and the most complex quantum controller chip developed to date. This achievement marks a critical inflection point for the company and the quantum computing industry as a whole.
The breakthrough is characterized by two key milestones: the demonstration of a 6-qubit array fabricated on a silicon germanium (SiGe) CMOS compatible process, and the development of a multi-tile Quantum Controller Chip operating at cryogenic temperatures. These results pave the way for the next phase of quantum computing, showcasing the fastest route to scaling by leveraging existing silicon infrastructure.
Breakthrough Qubit Silicon Chip Metrics
The 6-qubit array has achieved world-leading metrics, including a single qubit gate with fidelity of 99.4% and gate speed of 84ns, as well as a two-qubit gate with fidelity of 98.4% and gate speed of 72ns. These results demonstrate a key roadmap milestone and proof point required for powerful, full-scale, error-corrected quantum computer processors manufactured by existing silicon chip foundries.
The significance of these metrics lies in the ability to achieve high-fidelity gates at fast speeds, which is essential for scaling up quantum computers. The use of silicon germanium (SiGe) CMOS compatible process ensures that the qubit array can be fabricated using existing semiconductor manufacturing infrastructure, making it a crucial step towards scalable quantum computing.
New Era of Advanced Control Electronics at Cryogenic Temperatures
The multi-tile Quantum Controller Chip is a groundbreaking technology that enables scaling to millions of orchestrated qubits on a single chip. Operating at a remarkable 300 millikelvin, the chip is powered by Arm Cortex cores and features a patented AI-enabled Qubit Adaptive Error Correction. This unique approach facilitates real-time error correction, combined with the flexibility to utilize current and future types of error correction algorithms.
The collaboration between Equal1 and Arm has been instrumental in developing this technology, which has the potential to revolutionize quantum computing scalability. The integration of Arm technology at cryogenic temperatures enables the development of a next-generation Quantum System-on-Chip, paving the way for real-world applications such as complex financial modeling and life-saving drug discovery.
Silicon Approach: Delivering High-Quality Gates and Speed
The combined achievements of Equal1 demonstrate the huge benefit of the silicon approach to quantum computing. By leveraging existing semiconductor CMOS processes, the company has been able to deliver high-quality gates along with the speed required for next-generation algorithms. This approach enables all-to-all connectivity, making it an attractive solution for scalable quantum computing.
The vision for Equal1 has been decades in the making, and this breakthrough marks a significant milestone in the journey towards scalable quantum computing. As the company launches into the era of scalable quantum computing, it is poised to make a significant impact on various industries and applications.
Future Prospects and Technical Details
More details on these results will be available in a technical paper on ArXiv. The paper will provide further insights into the breakthrough qubit silicon chip metrics, the multi-tile Quantum Controller Chip, and the innovative architecture that enables all-to-all connectivity. As the quantum computing industry continues to evolve, Equal1’s achievements are expected to play a significant role in shaping its future.
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