According to quantum theory the energy exchange between physical systems is quantized.
As a direct consequence, measurement sensitivities are fundamentally limited by …

Quantum metrology provides a route to overcome practical limits in sensing devices. It holds
particular relevance to biology, where sensitivity and resolution constraints restrict …

Current interferometric gravitational-wave detectors are limited by quantum noise over a
wide range of their measurement bandwidth. One method to overcome the quantum limit is …

Squeezed light generation has come of age. Significant advances on squeezed light
generation have been made over the last 30 years—from the initial, conceptual experiment …

The first quantum technology that harnesses quantum mechanical effects for its core
operation has arrived in the form of commercially available quantum key distribution …

Nearly a century after Einstein first predicted the existence of gravitational waves, a global
network of Earth-based gravitational wave observatories,,, is seeking to directly detect this …

Recently, remarkable advances have been made in coupling a number of high-Q modes of
nano-mechanical systems to high-finesse optical cavities, with the goal of reaching regimes …

This Colloquium examines the field of the Einstein, Podolsky, and Rosen (EPR) gedanken
experiment, from the original paper of Einstein, Podolsky, and Rosen, through to modern …

High-dimensional quantum systems expand the Hilbert space, enabling the processing of
more intricate information and the execution of wider quantum operations. The development …

Einstein's general theory of relativity predicts that accelerating mass distributions produce
gravitational radiation, analogous to electromagnetic radiation from accelerating charges …