Q-CTRL Quantum
By integrating its flagship quantum performance management software, Fire Opal, with Rigetti’s Ankaa-3 quantum computer, Q-CTRL, a prominent supplier of quantum infrastructure software, has significantly improved the usefulness of quantum computers. Announced on June 24, 2025, this partnership is a significant step towards enabling quantum hardware to be genuinely applied to high-value applications.
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Fire Opal’s Solution to the Problem of Quantum Computing Despite their enormous potential to solve issues that traditional computers cannot handle, quantum computers are brittle and prone to mistakes. These errors, which are thought to be the largest obstacle to the development of new technologies, are caused by the fragile nature of quantum states (qubits) and how they interact with ambient noise. They quickly deteriorate computational precision. The commercial adoption of quantum computing has been severely hampered by the difficulty of addressing these hardware-level defects, which is typically the domain of a small number of international specialists.
This basic issue is directly addressed by Fire Opal, which simplifies hardware operation for optimal performance and suppresses errors on its own. It seeks to enhance the capabilities of quantum computers so that users can attain significant outcomes while pursuing quantum advantage. Fire Opal uses strategies like dynamical decoupling in contrast to conventional error correction techniques, which may necessitate a large overhead in terms of extra qubits. By applying precisely timed pulses to qubits, this technique successfully protects them from outside noise, increasing coherence times and enhancing the fidelity of quantum processes without the need for significant redundancy. This method lowers the possibility of errors in quantum computer hardware by providing effective and hardware-agnostic error-suppression technology.
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Combining the Ankaa-3 Quantum Computer by Rigetti On June 24, 2025, Fire Opal was integrated with Rigetti’s Ankaa-3, the company’s most recent 84-qubit quantum computer, and made accessible through the Rigetti Quantum Cloud Services (QCS) platform. Through this strategic agreement, Fire Opal’s quantum error-suppression and performance-enhancement capabilities on Rigetti’s top-performing system are immediately accessible to quantum developers, researchers, and enterprise customers. By enabling more complicated circuits and supporting potentially larger and more complex applications in domains such as optimisation, quantum chemistry, quantum simulation, and quantum machine learning, this integration increases capability on Rigetti devices without requiring human participation.
In addition to being a founding member of Rigetti’s Novera QPU Partner Program, Q-CTRL and Rigetti have been partners for almost five years, which this alliance builds upon. One of the most important steps in achieving quantum advantage, according to Subodh Kulkarni, CEO of Rigetti, is creating and testing client use cases with improved performance.
Use cases and performance improvements on Ankaa-3 that have been demonstrated Customers have already benefited greatly from this integration for use case-related benchmark tests:
- By witnessing proper output in 20-qubit circuits up from 14 qubits in the default Rigetti service configuration BlueQubit improved the performance of benchmark tests specifically created for their use case. BlueQubit’s CTO, Hayk Tepanyan, was enthusiastic about Fire Opal’s implementation in systems such as Rigetti, emphasising its potential and advancement for quantum hardware in facilitating practical use cases.
- Using Nasdaq data, a financial portfolio optimisation use case conducted in collaboration with the Office of the NSW Chief Scientist & Engineer showed a striking 32x improvement in solution quality over the standard Rigetti service setup. These findings, according to Chief Scientist & Engineer Professor Hugh Durrant-Whyte, move quantum computing closer to solving difficult issues at realistic scales.
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These verified outcomes highlight Fire Opal’s capacity to provide real benefit by empowering users to run increasingly intricate circuits and get enhanced performance on the biggest hardware model from Rigetti.
Wider Effects and Integration Across Platforms Fire Opal’s native integration with four of the most cutting-edge quantum computing platforms in the world, going beyond IBM Quantum services to include Rigetti Quantum Cloud Services (QCS), Oxford Quantum Circuits (OQC) Cloud QCaaS devices, and Diraq’s Silicon quantum processors, further demonstrates Q-CTRL’s leadership in quantum infrastructure software. Announced on September 10, 2024, this extensive integration demonstrates Q-CTRL’s industry leadership and ubiquity, supported by a proven track record across a variety of quantum computer types.
- IBM Quantum: Since December 2023, Fire Opal and IBM Quantum services have been directly integrated. Using Fire Opal on IBM Quantum systems, users have broken world records in quantum phase estimation and quantum machine learning for quantum chemistry. For example, Mitsubishi Chemical Corporation increased the attainable circuit width for Quantum Phase Estimation investigations by a factor of five.
- Oxford Quantum Circuits (OQC): Building on earlier findings demonstrating a >100X performance boost on smaller Lucy devices, Fire Opal is being introduced to OQC’s newest Toshiko devices. Through this collaboration, Fire Opal will be immediately integrated into OQC’s cloud data centre colocation model, offering the highest level of security and extremely low latency.
- Iraq: Value delivery from cutting-edge silicon quantum processors will be accelerated by a planned integration with Diraq’s silicon-spin-qubit quantum processors. It has been confirmed that Q-CTRL’s error-suppressing technique is compatible with silicon qubits and other qubit technologies.
Q-CTRL’s founder and CEO, Michael J. Biercuk, highlighted the company’s dedication to making quantum hardware genuinely useful, saying that witnessing “over a factor of a thousand improvement on a commercial quantum computer” confirmed the infrastructure software’s potential to revolutionise the market.
The Overarching Goals and Products of Q-CTRL With its AI-powered quantum infrastructure software, Q-CTRL is a major force in the global quantum technology market. The company also provides Black Opal, an award-winning edtech software that helps users learn quantum computing quickly, in addition to Fire Opal. Since its founding by Michael J. Biercuk in November 2017, Q-CTRL has amassed a top-tier team of skilled quantum-control engineers, offering solutions to Fortune 500 firms, startups, national research labs, and university institutions worldwide that are leaders in quantum technology. The business has global headquarters in Oxford, Berlin, San Francisco, Los Angeles, and Sydney.
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