Entropy production is a key quantity in any finite-time thermodynamic process. It is intimately
tied with the fundamental laws of thermodynamics, embodying a tool to extend …

The science of quantum information has arisen over the last two decades centered on the
manipulation of individual quanta of information, known as quantum bits or qubits. Quantum …

Quantum Continuous Variables introduces the theory of continuous variable quantum
systems, from its foundations based on the framework of Gaussian states to modern …

The study of Gaussian states has arisen to a privileged position in continuous variable
quantum information in recent years. This is due to vehemently pursued experimental …

The early Gottesman, Kitaev, and Preskill (GKP) proposal for encoding a qubit in an
oscillator has recently been followed by cat-and binomial-code proposals. Numerically …

A few decades ago, quantum optics stood out as a new domain of physics by exhibiting
states of light with no classical equivalent. The first investigations concerned single photons …

Quantum networks provide opportunities and challenges across a range of intellectual and
technical frontiers, including quantum computation, communication and metrology. The …

A key resource for distributed quantum-enhanced protocols is entanglement between
spatially separated modes. However, the robust generation and detection of entanglement …

We present a detailed experimental analysis of a free-propagating light pulse prepared in a
“Schrödinger kitten” state, which is defined as a quantum superposition of “classical” …

We review the theory of continuous-variable entanglement with special emphasis on
foundational aspects, conceptual structures and mathematical methods. Much attention is …