Wigner function of pulsed fields by direct detection

被引：29

作者：

Bondani, Maria ^{[1
]}

Allevi, Alessia ^{[2
]}

Andreoni, Alessandra ^{[3
,4
]}

机构：

[1] INFM, CNR, Natl Lab Ultrafast & Ultraintense Opt Sci, I-22100 Como, Italy

[2] UdR Milano, CNISM, I-20133 Milan, Italy

[3] Univ Insubria, Dipartimento Matemat & Fis, I-22100 Como, Italy

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

来源：

OPTICS LETTERS | 2009年 / 34卷 / 09期

关键词：

QUANTUM-STATE MEASUREMENTS; DENSITY-MATRIX; TOMOGRAPHY;

D O I：

10.1364/OL.34.001444

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the reconstruction of the Wigner function of some classical pulsed optical states obtained by direct measurement of the detected-photon probability distributions of the state displaced by a coherent field. We use a photodetector endowed with internal gain, which is operated in the non-photon-resolving regime. The measurements are performed up to mesoscopic intensities (up to more than 30 photons per pulse). The method can be applied to characterize nonclassical continuous-variable states. (C) 2009 Optical Society of America

引用

页码：1444 / 1446

页数：3

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