We study the performance of quantum error correction codes (QECCs) under the detection-
induced coherent error due to the imperfectness of practical implementations of stabilizer …

Error correction is what ensures that the audio in your phone calls remains sharp, your hard
drives do not deteriorate too quickly, and signals can be reliably transmitted to remote …

We present a simple proof of the approximate Eastin-Knill theorem, which connects the
quality of a quantum error-correcting code (QECC) with its ability to achieve a universal set …

Quantum entanglement is a unique criterion of the quantum realm and an essential tool to
secure quantum communication. Ensuring high-fidelity entanglement has always been a …

Quantum computers have the potential to outperform classical computers for some complex
computational problems. However, current quantum computers (eg, from IBM and Google) …

Quantum state comparison, utilizing metrics like fidelity and trace distance, underpins the
assessment of quantum networks within quantum information theory. While recent research …

In performing quantum machine learning on quantum computers (noisy intermediate-scale
quantum devices), we need quantum noise and error mitigation methods to obtain reliable …

Current approaches to fault-tolerant quantum computation will not enable useful quantum
computation on near-term devices of 50 to 100 qubits. Leading proposals, such as the color …

It is vital to minimize the impact of errors for near-future quantum devices that will lack the
resources for full fault tolerance. Two quantum error mitigation (QEM) techniques have been …

Approximate quantum error-correcting codes are codes with “soft recovery guarantees”
wherein information can be approximately recovered. In this article, we propose a …