Quantum error correction codes are essential for building reliable quantum computing devices and a key component for realizing the potential of quantum computing. QECC, as its classical counterpart (ECC), allows the reduction of the error rates by distributing quantum logical information across redundant physical qubits such that errors can be detected and corrected.

UNMET NEED
As of today, path to commercially scalable quantum computer still dependent on error-correction. Without substantial progress on error correction, the market will continue to perceive execution risk as rather high.
The proposed method demonstrates the power of neural decoders for QECC by achieving state-of-the-art accuracy, outperforming, for a broad range of topological codes, the existing neural and classical decoders, which are often computationally prohibitive. 
We demonstrate much better results than any other methods, with large margins.

OUR SOLUTION
In our innovation we efficiently train novel deep quantum error decoders. We resolve the quantum measurement collapse by augmenting syndrome decoding to predict an initial estimate of the system noise to be iteratively refined through a deep neural network. 
The proposed method demonstrates the power of neural decoders for QECC by achieving state-of-the-art accuracy, outperforming, for a broad range of topological codes, the existing neural and classical decoders, which are often computationally prohibitive.
The logical error rates calculated over finite fields are directly optimized via a differentiable objective, which allows efficient decoding under the constraints imposed by the code. 
Finally, our architecture is extended to support faulty syndrome measurement, allowing for efficient decoding over repeated syndrome sampling. 

APPLICATIONS
• Fault-tolerant quantum computation 
• Quantum communication –  By encoding information in quantum states, it is possible to transmit information securely using quantum error correction codes.
• Quantum sensing – By encoding the information in quantum states, it is possible to detect and correct errors that occur during the measurement process, improving the accuracy and precision of the sensor.

INTELLECTUAL PROPERTY

Provisional patent application