Diraq boosts CMOS quantum dot funding round to $22m

Diraq boosts CMOS quantum dot funding round to $22m

Business news |
By Nick Flaherty

Australian quantum technology startup Diraq has increased its latest investment round by $7m to USD $22 million. 

Diraq has attracted further investment for its CMOS quantum dot technology to build a quantum processing unit (QPU) for a fault tolerant quantum computer with millions of qubits.

Strategic investors in the A2 round include Main Sequence, asset technology investors Taronga Ventures, Uniseed and UniSuper, Co:Act Capital and additional participation from foundation shareholder and research partner, UNSW, Sydney. The round was led by Quantonation.

“Diraq welcomes our new investors, and we look forward to partnering with them as we achieve the major milestones on our road map to deliver the world’s first fault-tolerant quantum computer,”  said Andrew Dzurak, CEO and Founder of Diraq

Diraq recently announced record control accuracy of 99.9% for a quantum bit (qubit) manufactured by imec using industry-standard CMOS materials on a 300mm silicon wafer. This is a significant proof point solidifying the viability of Diraq’s technology to be manufactured at scale in a commercial environment. 

This uses proprietary technology developed over 20 years of research by Diraq and its predecessor research program at UNSW, which have formed 11 Diraq patent families. The company’s approach relies on the existing silicon manufacturing processes used by CMOS foundries.

The company also showed high-accuracy spin-based quantum computation at warmer temperatures, overcoming a critical hurdle toward delivering silicon-based quantum processors with millions of qubits.

 “Diraq’s breakthroughs are a testament to Australia’s leading position globally in quantum computing,” said Bill Bartee, Managing Partner at Main Sequence. “Their world-class team, patent portfolio, and unique approach should advance the field by bringing scalable, spin-based quantum computers into the real world. We see their potential for scaling up and their compatibility with advanced semiconductor manufacturing technology as an advantage.”

“Major technology advancements like Diraq’s quantum computers will significantly impact the real asset sector, representing a step change toward the next generation of data infrastructure. More broadly, high-performance computing capabilities will elevate critical areas such as energy modelling, climate, health, and much more. We’re pleased to support companies like Diraq that have the potential to transform both real assets, and the foundational industries they support,” added Avi Naidu, Co-Founder and Managing Partner at Taronga Ventures.


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