Over the past few decades, significant progress has been made in quantum information
technology, from theoretical studies to experimental demonstrations. Revolutionary quantum …

Quantum networks play an extremely important role in quantum information science, with
application to quantum communication, computation, metrology, and fundamental tests. One …

Worldwide, enormous efforts are directed toward the development of the so‐called quantum
internet. Turning this long‐sought‐after dream into reality is a great challenge that will …

Quantum communication provides an absolute security advantage, and it has been widely
developed over the past 30 years. As an important branch of quantum communication …

A quantum memory, for storing and retrieving flying photonic quantum states, is a key
interface for realizing long-distance quantum communication and large-scale quantum …

Quantum light–matter interfaces are at the heart of photonic quantum technologies.
Quantum memories for photons, where non-classical states of photons are mapped onto …

The advanced notebooks, mobile phones, and Internet applications in today's world that we
use are all entrenched in classical communication bits of zeros and ones. Classical Internet …

An optical quantum memory is a device that can store photonic quantum information and
release it after a controlled time. It is an essential component for overcoming channel losses …

Nonreciprocal devices operating at the single-photon level are fundamental elements for
quantum technologies. Because magneto-optical nonreciprocal devices are incompatible for …

We propose a three-party quantum secure direct communication (QSDC) protocol with
hyperentanglement in both spatial-mode and polarization degrees of freedom. The secret …