Coherence properties of high-gain twin beams

被引：38

作者：

Allevi, A. ^{[1
,2
]}

Jedrkiewicz, O. ^{[2
,3
]}

Brambilla, E. ^{[1
,2
]}

Gatti, A. ^{[2
,3
]}

Perina, J., Jr. ^{[4
,5
]}

Haderka, O.

Bondani, M. ^{[2
,3
]}

机构：

[1] Univ Insubria, Dipartimento Sci & Alta Tecnol, I-22100 Como, Italy

[2] CNISM UdR Como, I-22100 Como, Italy

[3] CNR, Ist Foton & Nanotecnol, I-22100 Como, Italy

[4] Palacky Univ, RCPTM, Joint Lab Opt, Olomouc 77146, Czech Republic

[5] Palacky Univ, Acad Sci Czech Republ, Inst Phys, Fac Sci, Olomouc 77146, Czech Republic

来源：

PHYSICAL REVIEW A | 2014年 / 90卷 / 06期

关键词：

ABSOLUTE CALIBRATION; STATES;

D O I：

10.1103/PhysRevA.90.063812

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Twin-beam coherence properties are analyzed in both spatial and spectral domains at high gain, including also the regime of pump depletion. We showan increase in the size of the intensity autocorrelation and cross-correlation areas at increasing pump power, replaced by a decrease in the pump depletion regime. This effect is interpreted as a progressive loss in the mode selection occurring at high-gain amplification. The experimental determination of the number of spatiospectral modes from the measurements of the g((2))-intensity autocorrelation coefficient confirms this explanation.

引用

页数：7

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