[qmeets talk] High-rate quantum processors
Abstract: Quantum error correction can make imperfect qubits reliable, but a useful quantum computer must also manipulate the protected information. Can we encode many logical qubits with little redundancy while retaining flexible control and fast computation? In this joint presentation, we will discuss our recent work on designing quantum processors with high-rate quantum low-density parity-check (qLDPC) codes. We introduce finite-size codes that combine high encoding rates of 20–30%, practical block sizes, and sufficient error protection.
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