Non-Gaussian states produced by close-to-threshold optical parametric oscillators: Role of classical and quantum fluctuations

被引:29
作者
D'Auria, V. [1 ]
de Lisio, C. [2 ,3 ]
Porzio, A. [2 ,4 ]
Solimeno, S. [3 ,4 ]
Anwar, Javaid [5 ]
Paris, M. G. A. [6 ,7 ]
机构
[1] Univ Paris 06, CNRS, Lab Kastler Brossel, Ecole Normale Super, F-75252 Paris, France
[2] CNR, SPIN, I-80126 Naples, Italy
[3] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy
[4] Consorzio Nazl Interuniv Sci Fis Mat UdR Napoli U, I-80126 Naples, Italy
[5] COMSATS Inst Informat Technol, Dept Phys, Islamabad, Pakistan
[6] Univ Milan, Dipartimento Fis, I-10133 Turin, Italy
[7] Consorzio Nazl Interuniv Sci Fis Mat UdR Milano U, Milan, Italy
来源
PHYSICAL REVIEW A | 2010年 / 81卷 / 03期
关键词
NONLOCALITY; GENERATION; INPUT; PHASE;
D O I
10.1103/PhysRevA.81.033846
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Quantum states with non-Gaussian statistics generated by optical parametric oscillators (OPO) with fluctuating parameters are studied by means of the kurtosis excess of the external field quadratures. The field generated is viewed as the response of a nonlinear device to the fluctuations of pump laser amplitude and frequency, crystal temperature, and cavity detuning, in addition to quantum noise sources. The kurtosis excess has been evaluated perturbatively up to the third order in the strength of the crystal nonlinear coupling factor and the second order in the classical fluctuating parameters. Applied to the device described in Opt. Expr. 13, 948 (2005), the model has given values of the kurtosis excess in good agreement with the measured ones.
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页数:9
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