期刊
PHYSICAL REVIEW A
卷 88, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.88.063807
关键词
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资金
- MIUR [FIRB LiCHIS - RBFR10YQ3H]
- GA CR [P205/12/0382]
- Operational Program Research and Development for Innovations - European Regional Development Fund project [CZ.1.05/2.1.00/03.0058]
- Operational Program Education for Competitiveness - European Social Fund project of MSMT CR [CZ.1.07/2.3.00/20.0058]
We present a robust tool to analyze nonclassical properties of multimode twin-beam states in the mesoscopic photon-number domain. The measurements are performed by direct detection. The analysis exploits three different nonclassicality criteria for detected photons exhibiting complementary behavior in the explored intensity regime. Joint signal-idler photon-number distributions and quasidistributions of integrated intensities are determined and compared with the corresponding distributions of detected photons. Experimental conditions optimal for nonclassical properties of twin-beam states are identified.
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