#France #Quantum Computing #Grenoble #Quobly #FD-SOI

Quobly's Major Breakthrough in Quantum Computing

Quobly, a pioneering startup in the realm of quantum computing, has recently accomplished a notable milestone concerning fault-tolerant quantum systems. Their findings, shared at the prestigious IEDM conference, indicate that FD-SOI (Fully-Depleted Silicon on Insulator) technology can operate as a scalable platform for commercial quantum computing.

Located in Grenoble, France, Quobly has been making waves in the quantum field since its launch in 2022. The startup has effectively tapped into established semiconductor manufacturing processes to enhance the scalability of quantum technologies. By leveraging the existing fabrication capabilities of leading manufacturers such as STMicroelectronics and GlobalFoundries, Quobly aims to combine conventional semiconductors with quantum computing.

The Significance of FD-SOI Technology

FD-SOI technology has been recognized for its potential to facilitate high-performance silicon spin qubits, which play a crucial role in achieving fault-tolerant, large-scale quantum computing. Quobly has reported impressive metrics for their qubits, showcasing operational clock speeds in the microsecond range and over a remarkable 99% fidelity for one-and-two-qubit gate operations. This level of precision is paramount in ensuring the reliability of quantum computers.

Quobly's fabless business model allows the company to capitalize on decades of investments in semiconductor infrastructure. By focusing on FD-SOI technology, they position themselves strategically within the quantum computing landscape, enhancing their ability to build cost-effective and scalable quantum processors.

Key Achievements in Quantum Computing

Recent developments have further solidified Quobly’s position as a leader in the field. Collaborating with esteemed institutions such as CEA-Leti, CEA-IRIG, and CNRS, the company has unveiled several notable innovations:

• - Low-temperature operations and performance characterization: Their work has adhered to rigorous circuit design guidelines, essential for the operation of quantum systems.
• - Single qubit operations: Utilizing hole and electron spin qubits has yielded promising results, optimizing performance to harness the long coherence times of electrons for memory and the rapid data-processing capabilities of holes.
• - Charge control advancements: Improved specifications in their two-qubit gate demonstrates significant progress in defining a standard cell architecture.

Furthermore, Quobly's achievements encompass the development of cryogenic control electronics capable of a voltage gain of up to 75dB, with remarkably low noise levels, and a breakthrough in ambipolar spin qubits, integrating hole and electron qubits to achieve impressive manipulation speeds and coherence times.

A Vision for the Future of Quantum Computing

Quobly envisions a future where quantum processors are scalable, efficient, and economically feasible. Their pioneering work in co-integrating quantum and classical components on the same platform signifies a vital step toward the development of scalable Quantum System on Chips (QSoC). This innovation can potentially revolutionize various sectors by integrating advanced quantum computing capabilities into existing technology infrastructures.

In conclusion, as Quobly continues to push the boundaries of what is possible in quantum computing, it represents a beacon of innovation and progress. With a record investment of €19 million in 2023 and a mission to create millions of scalable qubits, the company's path forward will likely reshape the landscape of quantum technologies in Europe and beyond. For more information about Quobly and its groundbreaking work, consider visiting their website at Quobly.io.