Observation of a Non-local Optical Vortex
R. M. Gomes, A. Salles, F. Toscano, P. H. Souto Ribeiro, S. P., Walborn
TL;DR
This paper reports the first observation of a non-local optical vortex in photon correlations from spontaneous parametric down-conversion, revealing a new form of optical singularity in quantum optics.
Contribution
It demonstrates the existence of a non-local optical vortex in photon correlations, a novel phenomenon not previously observed in quantum optics.
Findings
Observation of a non-local optical vortex in photon correlations
Identification of a singularity in a non-local coordinate plane
Advancement in understanding quantum optical singularities
Abstract
We report the observation of an optical vortex in the correlations of photons produced from spontaneous parametric down-conversion. The singularity appears in a non-local coordinate plane consisting of one degree of freedom of each photon.
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Taxonomy
TopicsOrbital Angular Momentum in Optics · Cold Atom Physics and Bose-Einstein Condensates · Quantum Mechanics and Applications