Infleqtion has released an open-source quantum software library designed to accelerate research into more efficient quantum error correction methods. The library, called qLDPC, implements advanced fault-tolerant coding schemes that can potentially reduce the number of physical qubits needed per logical qubit by a factor of 10 to 100, depending on the code. This breakthrough addresses one of the most persistent bottlenecks in quantum computing — excessive qubit overhead for achieving error tolerance.
The qLDPC library supports error correction schemes suited to Infleqtion’s neutral atom-based quantum computing hardware, which offers programmable qubit layouts. This hardware-software co-design approach enables more efficient placement of qubits to support low-density parity check (LDPC) codes, a class of error-correcting codes that can be highly space-efficient. As a result, the new approach could reduce the typical requirement of ~1,500 physical qubits per logical qubit to as few as 15–150.
The library is publicly available to promote collaboration across the quantum community and to enable developers and researchers to adapt the tools for their own platforms. This effort builds on Infleqtion’s ongoing UK-based initiatives and reflects the company’s commitment to scalable, cross-platform quantum development. In collaboration with JPMorgan Chase, a team of researchers at Infleqtion has announced the release of a new open-source research software library aimed at significantly accelerating advancements in quantum error correction.
This development is expected to enhance the efficiency of potential quantum applications, paving the way for more robust and reliable quantum computing solutions. The announcement will be elaborated upon during Infleqtion CEO Matthew Kinsella’s presentations at an event from May 13-14 in London.
Infleqtion’s open-source quantum advancement
The new library is part of Infleqtion’s ongoing efforts to drive innovation within the quantum computing industry, and the collaboration with a key player like JPMorgan Chase underscores the strategic importance of this initiative. This open-source tool is anticipated to facilitate further research by providing a robust foundation for scientists and engineers dedicated to overcoming one of quantum computing’s most critical challenges—error correction. By making the library accessible, Infleqtion aims to foster a collaborative research environment and accelerate the pace of discovery and development in this burgeoning field.
Efficient error correction is one of the key enablers for commercially relevant quantum computing,” said Pranav Gokhale, General Manager of Computing at Infleqtion. Through our work with JPMorgan, we’re demonstrating how software and hardware innovation, particularly the flexibility of our Sqale quantum processor, can propel the financial industry toward commercial quantum computing faster.
Building a fault-tolerant quantum computer has historically required considerable overhead. Estimates suggest that a single logical, error-corrected qubit might necessitate up to 1,500 physical qubits to function reliably.
In contrast, depending on the implementation, the new library reduces this requirement to between 15 and 150, dramatically shrinking the hardware footprint needed for real-world applications. To encourage collaboration and ongoing innovation, qLDPC is available as an open-source library. This allows developers, researchers, and hardware partners to engage directly with the codebase.
The project is a shared foundation for quantum developers to explore new methods for improving error correction and optimizing quantum workloads across various platforms. This announcement also marks another milestone in Infleqtion’s growing quantum efforts in the UK, where it continues to lead joint R&D initiatives at the National Quantum Computing Centre (NQCC) alongside other academic and industrial collaborations. The qLDPC library is available now, and full announcement details can be found on Infleqtion’s official website.
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