For quantum computers to successfully solve real-world problems, it is necessary to tackle
the challenge of noise: the errors that occur in elementary physical components due to …

A quantum internet is the holy grail of quantum information processing, enabling the
deployment of a broad range of quantum technologies and protocols on a global scale …

Quantum computing promises to offer substantial speed-ups over its classical counterpart for
certain problems. However, the greatest impediment to realizing its full potential is noise that …

Quantum theory has been successfully validated in numerous laboratory experiments. But
would such a theory, which effectively describes the behavior of microscopic physical …

Many-particle entanglement is a key resource for achieving the fundamental precision limits
of a quantum sensor. Optical atomic clocks, the current state of the art in frequency precision …

Noise in quantum computers can result in biased estimates of physical observables.
Accurate bias-free estimates can be obtained using probabilistic error cancellation, an error …

Nowadays, quantum computing has reached the engineering phase, with fully-functional
quantum processors integrating hundreds of noisy qubits. Yet–to fully unveil the potential of …

Quantum secure direct communication (QSDC) attracts much attention for it can transmit
secret messages directly without sharing a key. In this article, we propose a one-step QSDC …

With the ability to transfer and process quantum information, large-scale quantum networks
will enable a suite of fundamentally new applications, from quantum communications to …

Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …