Our IP in Error Correction

The Problem
Noisy Qubits Limit Quantum Computing Qubits — the fundamental units of quantum computers — are inherently noisy. Without quantum error correction (QEC), large-scale quantum computation is impossible.
Efficient QEC requires both a well-designed code and a powerful decoder — the algorithm that interprets erroneous data to identify and correct errors. Decoding remains a key bottleneck.
Addressing it would significantly improve noise tolerance, enhancing the performance and scalability of today’s quantum hardware. For hardware manufacturers, this is a game-changer.

Since 1998, when QEC was proven to be a possible reality, until 2020, the focus of the hardware companies was the Surface code (SC), a specific QEC code.
This code is relatively easy to implement and analyze for hardwares but it is very wasteful- it needs several physical qubits to encode one unit of meaningful information.
A useful, efficient fault tolerant quantum computer will not be based on the Surface code. And justifiably so, the landscape now is rapidly changing.