Narrowband frequency tunable source of entangled light

Preprint

3 May 2002

preprint
Published by arXiv in arXiv

Abstract

We report the observation of non-classical quantum correlations of continuous light variables from a novel type of source. It is a frequency non-degenerate optical parametric oscillator below threshold, where signal and idler fields are separated by 740MHz corresponding to two free spectrum ranges of the parametric oscillator cavity. The degree of entanglement observed, - 3.8 dB, is the highest to-date for a narrowband tunable source suitable for atomic quantum memory and other applications in atomic physics. Finally we use the latter to visualize the Einstein-Podolsky-Rosen paradox.

Keywords

PARAMETRIC OSCILLATOR
QUANTUM CORRELATIONS
NARROWBAND FREQUENCY
CLASSICAL QUANTUM
ENTANGLED LIGHT
TUNABLE SOURCE
VISUALIZE
ATOMIC

All Related Versions

Version 1, 2002-05-03, ArXiv
Version 2, 2002-07-01, ArXiv
Published version: Physical Review A, 66 (3), 033802.

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