Quobly Reaches Major Milestone in Quantum Computing Innovation

Quobly Achieves Milestone in Quantum Computing

Quobly, a forward-thinking quantum computing startup from France, has made significant strides in the realm of fault-tolerant quantum computing. The company’s latest innovation focuses on FD-SOI technology, a powerful tool that offers a scalable platform for commercial quantum computing. This method utilizes existing semiconductor manufacturing techniques and integrates with cutting-edge R&D, illustrating a growing trend of merging traditional technology with revolutionary applications.

Leveraging Silicon Spin Qubits for Quantum Gains

The hallmark of Quobly's achievement is its commitment to silicon spin qubits that are crucial for realizing fault-tolerant and large-scale quantum computers. These qubits operate at clock speeds ranging in microseconds, with gate fidelity rates exceeding 99%. The compactness of the unit cells involved in these processes is impressive, measured in the hundredths of 100 nanometers squared, which is critical for advancing quantum technology.

Harnessing Decades of Semiconductor Innovation

To effectively tap into the extensive developments within the semiconductor industry, Quobly employs a fabless business model, allowing it to sidestep high manufacturing costs while still leveraging advanced FD-SOI technology. This technology, produced by renowned manufacturers such as STMicroelectronics and Samsung, positions Quobly at the forefront of quantum computing innovation.

Key Developments in Quantum Technology

At a recent conference, Quobly shared its breakthroughs regarding the scaling of quantum systems. Collaborating with esteemed institutions such as CEA-Leti, CEA-IRIG, and CNRS, the company has elucidated the core components necessary for developing quantum computers based on FD-SOI. This includes:

• Advanced control mechanisms for low-temperature operations, delivering precise digital and analog performance alongside established circuit design principles.
• Single qubit operations executed with both hole and electron spin qubits, utilizing CEA-Leti's R&D pilot line for optimal performance, tapping into the strengths of each qubit type for multifaceted data processing.
• Innovative charge control that defines standards crucial for two-qubit gates, all fabricated in commercially viable processes at GlobalFoundries' 22FDX node.

Proving Quantum Concepts

Among various achievements, Quobly has engineered remarkable advancements in the following areas:

• Cryogenic Control Electronics: Achievements here include voltage gain up to 75dB and noise levels as low as 10-11V²??m²/Hz.
• Ambipolar Spin Qubits: The integration of hole and electron qubits allows for high-speed manipulation, with results showing a 1 microsecond speed for hole qubits and a 40 microsecond coherence time for electron qubits.
• Two-Qubit Gate Standard Cell: Successful demonstrations of double quantum dot operations indicate significant strides toward developing commercial quantum systems.

Future Directions for Quobly

This recent work establishes FD-SOI technology as vital for creating scalable quantum processors and strengthens Quobly’s position as a leader in the field of cost-effective, fault-tolerant quantum computing. By harmonizing quantum and classical components on a single platform, Quobly is poised to influence the development of scalable Quantum System-on-Chip (QSoC) architectures significantly.

About Quobly

Founded in 2022, Quobly is dedicated to innovating in the fault-tolerant quantum computing landscape with a focus on semiconductor qubits. The company stands out for combining research excellence with robust industrial partnerships, targeting the creation of scalable quantum systems that can support millions of qubits. Following a remarkable funding round in 2023 that raised €19 million, Quobly is making waves in the European quantum sector.

Frequently Asked Questions

What is Quobly known for?

Quobly is known for its advancements in fault-tolerant quantum computing, leveraging FD-SOI technology to create scalable solutions.

What technology does Quobly utilize for its quantum computing?

Quobly employs FD-SOI technology, which supports the development of commercial quantum computers through traditional semiconductor techniques.

Why are silicon spin qubits significant?

Silicon spin qubits are crucial because they provide the necessary fault tolerance and scale for large quantum computing applications with high fidelity and speed.

What company model does Quobly follow?

Quobly operates on a fabless model, allowing them to leverage existing semiconductor technologies without heavy manufacturing investments.

What are Quobly's achievements in quantum research?

Quobly has made significant achievements in cryogenic control, coherence times for qubits, and the integration of quantum systems into commercial standards.

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