Seonglae ChoQuantum Computing Error
Quantum Error Correction Methods
Threshold
Quantum Computers Cross Critical Error Threshold | Quanta Magazine
In a first, researchers have shown that adding more “qubits” to a quantum computer can make it more resilient. It’s an essential step on the long road to practical applications.
https://www.quantamagazine.org/quantum-computers-cross-critical-error-threshold-20241209
Google claims breakthrough in quantum computer error correction
Company’s latest research could signal a step towards overcoming one hurdle to the technology
https://www.ft.com/content/9e04ff7d-f56a-4d5f-a4fa-849336abf659
The Azure Quantum team has proposed a 4D geometry-based error correction code that can be used across various hardware types (neutrons, ions, chips). They estimate that it can reduce the error rate from 0.1% per 1,000 physical qubits to 0.0001% for logical qubits. Microsoft and their partner Atom Computing are developing a first-generation device with 1,200 physical qubits, with plans to upgrade to 10,000 qubits, which would enable experiments with hundreds of logical qubits.
Tracking quantum computer progress should focus on quantum error correction and scaling improvements, not just factorization
Why haven't quantum computers factored 21 yet?
Craig Gidney's computer science blog
https://algassert.com/post/2500