Experimental study of the spatial distribution of quantum correlations in a confocal optical parametric oscillator
Journal Article
·
· Physical Review. A
- Laboratoire Kastler Brossel, Universite Pierre et Marie Curie, case 74, 75252 Paris cedex 05 (France)
We study experimentally the spatial distribution of quantum noise in the twin beams produced by a type-II optical parametric oscillator operating in a confocal cavity above threshold. The measured intensity correlations are at the same time below the standard quantum limit and not uniformly distributed inside the beams. We show that this feature is an unambiguous evidence for the multimode and nonclassical character of the quantum state generated by the device.
- OSTI ID:
- 20633765
- Journal Information:
- Physical Review. A, Vol. 67, Issue 2; Other Information: DOI: 10.1103/PhysRevA.67.023808; (c) 2003 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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