Locally connected and streaming decoder for quantum computing error correction

Applications: Quantum computing, Information processing

Fault-tolerant quantum computers will require a control system to perform ‘decoding’, which is a process that identifies where errors have occurred.

Features	Benefits
The method can be realised using a simple and elegant processor architecture which does not require any long-range connections.	A device built using this method can be compact and have low power requirements.
The simple method is as fast as existing state-of-the-art decoders.	Allows fast and efficient decoding.
It is a “streaming” decoder – it continuously performs its tasks in a computationally efficient manner without pausing.	The architecture sits closer to the quantum computer, simplifying wiring and reducing signal losses.
The architecture can be implemented as a 2-D or 3-D lattice of processors working in conjunction with each other.	The modular implementation provides a scalable architecture that is also easy to repair. Flexible method that can be adapted to suit the system design requirements.

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