Quantum errors subject to noisy environments remain a major obstacle to advancing
quantum information technology. Solutions to this issue include robust quantum control at …

Quantum error correction is capable of digitizing quantum noise and increasing the
robustness of qubits. Typically, error correction is designed with the target of eliminating all …

Boson quantum error correction is an important means to realize quantum error correction
information processing. In this paper, we consider the connection of a single-mode …

Real global-scale quantum communications and quantum key distribution systems cannot
be implemented by the current fiber and free-space links. These links have high attenuation …

In the past few years, the first commercially available quantum computers have emerged, in
an early stage of development, the so-called Noisy Intermediate-Scale Quantum (NISQ) era …

In the past few years, we have been witnessing the development of quantum hardware and
the rise of new quantum algorithms that can take advantage of these quantum devices. One …

The current advancement in quantum computers has been focusing on increasing the
number of qubits and enhancing their fidelity. However, the available quantum devices …

Quantum error correction is important to quantum information processing, which allows us to
reliably process information encoded in quantum error correction codes. Efficient quantum …

Leakage errors arise when the quantum state leaks out of some subspace of interest, for
example, the two-level subspace of a multi-level system defining a computationalqubit'or the …

In the noisy intermediate-scale quantum (NISQ) era, quantum error mitigation will be a
necessary tool to extract useful performance out of quantum devices. However, there is a big …