Australian engineers develop quantum chips for practical development

Title 5 Key Takeaways Australian Engineers Make Quantum Computing a Practical Reality

Introduction

The pursuit of technological innovation has led to significant breakthroughs in emerging fields like quantum computing. Recently, a collaboration between the University of New South Wales (UNSW) Sydney and the Interuniversity Microelectronics Centre (imec) made substantial progress towards developing practical quantum computers.

Lesson 1 Validation of Quantum Chips

The Diraq-imec partnership achieved a major milestone by demonstrating 99% accuracy, a crucial threshold for deploying practical quantum computers. This achievement marks a significant step towards reaching utility scale, where the commercial benefits of a quantum computer outweigh its operating expenses.

Lesson 2 Fidelity of Quantum Bits

In a recent publication in Nature, the research teams documented their findings, revealing that devices designed by Diraq and manufactured by imec achieved fidelity exceeding 99% during two-qubit operations. These quantum bits, or qubits, are the fundamental units of quantum computing.

Lesson 3 Commercial Imperatives

To achieve utility scale in quantum computing, it is essential to find a commercially viable way to produce high-fidelity quantum bits at scale. According to Prof. Andrew Dzurak, founder and CEO of Diraq, Diraq's collaboration with imec demonstrates that silicon-based quantum computers can be built by leveraging the mature semiconductor industry, which opens a cost-effective pathway to chips containing millions of qubits while still maximizing fidelity.

Lesson 4 The Advantages of Silicon

Among the various materials under investigation for quantum computing applications, silicon has emerged as the leading candidate. This material enables the integration of millions of qubits onto individual chips and demonstrates compatibility with the established trillion-dollar microchip manufacturing sector.

Lesson 5 Practical Implications

The findings of this study have significant implications for the development of practical quantum computers. According to Prof. Dzurak, Our new findings demonstrate that Diraq's silicon qubits can be fabricated using processes that are widely used in semiconductor foundries, meeting the threshold for fault tolerance in a way that is cost-effective and industry-compatible. This clears the way for the development of a fully fault-tolerant, functional quantum computer that can perform real-world computing tasks.

Conclusion

The breakthroughs achieved by this collaboration demonstrate the potential of Australian engineers to make significant contributions to the field of quantum computing. As we look to the future, it is clear that these lessons learned will have far-reaching implications for the development of practical quantum computers.

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