|
| related topics |
| {light, field, probe} |
| {photon, photons, single} |
| {state, states, coherent} |
| {cavity, atom, atoms} |
| {measurement, state, measurements} |
| {let, theorem, proof} |
| {information, entropy, channel} |
|
Experimental study of the spatial distribution of quantum correlations
in a confocal Optical Parametric Oscillator
Marcello Martinelli, Nicolas Treps, Sara Ducci, Sylvain Gigan, Agnes Maitre, Claude Fabre
abstract: 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.
- oai_identifier:
- oai:arXiv.org:quant-ph/0210023
- categories:
- quant-ph
- comments:
- 20 pages, 5 figures, submitted to Phys. Rev. A
- doi:
- 10.1103/PhysRevA.67.023808
- arxiv_id:
- quant-ph/0210023
- created:
- 2002-10-03
Full article ▸
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