Conference key agreement (CKA), or multipartite key distribution, is a cryptographic task
where more than two parties wish to establish a common secret key. A composition of …

This review presents an overview of the current state‐of‐the‐art in photonics computing,
which leverages photons, photons coupled with matter, and optics‐related technologies for …

Combinatorial optimization problems are crucial for widespread applications but remain
difficult to solve on a large scale with conventional hardware. Novel optical platforms, known …

The compressibility of a medium, quantifying its response to mechanical perturbations, is a
fundamental property determined by the equation of state. For gases of material particles …

Ising machines are novel computing devices for the energy minimization of Ising models.
These combinatorial optimization problems are of paramount importance for science and …

Recently, several platforms were proposed and demonstrated a proof-of-principle for finding
the global minimum of the spin Hamiltonians such as the Ising and XY models using gain …

Photon fluids have recently found applications in the simulation of a variety of physical
phenomena such as superfluidity, vortex instabilities, and artificial gauge theories. Here we …

Abstract In a Bose–Einstein condensate, bosons condense in the lowest-energy mode
available and exhibit high coherence. Quantum condensation is inherently a multimode …

Artificial lattices of coherently coupled macroscopic states are at the heart of applications
ranging from solving hard combinatorial optimization problems to simulating complex many …

Classical spin models with discrete or continuous degrees of freedom arise in many studies
of complex physical systems. A wide class of hard real-life optimization problems can be …