Nonclassical effects such as squeezing, antibunching, and sub-Poissonian statistics of
photons have been attracting attention in quantum optics over the last decade. Up to now …

In this paper we review the current state of progress in research on squeezed light. We
discuss the basic theory of squeezing and the nature of quantum noise in optical fields. We …

We investigate the properties of angular-momentum states which yield high sensitivity to
rotation. We discuss the application of these ''squeezed-spin''or correlated-particle states to …

We investigate the quantum-mechanical noise in spectroscopic experiments on ensembles
of N two-level (or spin-1/2) systems where transitions are detected by measuring changes in …

Enhancement of the sensitivity of a polarization interferometer beyond the limit set by
vacuum fluctuations of the electromagnetic field has been obtained with use of squeezed …

The quantum statistical properties of radiation represent an important branch of modern
physics with rapidly increasing applications in spectroscopy, quantum generators of …

A frequency-tunable source of squeezed light is employed for spectroscopic measurements
of atomic cesium. Relative to the usual quantum limit associated with vacuum-state …

Quantum frequency conversion clickable element to expand a topic LOGIN OR CREATE
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Quantum frequency conversion, a process with which an input beam of light can be
converted into an output beam of a different frequency while preserving the quantum state, is …

We have demonstrated 42% squeezing of 4.2-K thermal noise using a Josephson-
parametric amplifier operated at 19.4 GHz. The amplifier has been operated at 0.1 K with an …