Quantum-state tomography for optical polarization with arbitrary photon numbers

被引：9

作者：

Klimov, A. B. ^{[1
]}

Romero, J. L. ^{[1
]}

Wallentowitz, S. ^{[2
]}

机构：

[1] Univ Guadalajara, Dept Fis, Guadalajara 44410, Jalisco, Mexico

[2] Pontificia Univ Catolica Chile, Inst Fis, Santiago 22, Chile

来源：

PHYSICAL REVIEW A | 2014年 / 89卷 / 02期

关键词：

DENSITY-MATRIX; PHASE-SPACE; WIGNER FUNCTION; HOMODYNE TOMOGRAPHY; SQUEEZED STATES; LIGHT MODE; RECONSTRUCTION; DISTRIBUTIONS; STATISTICS; REPRESENTATION;

D O I：

10.1103/PhysRevA.89.020101

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A scheme for quantum-state tomography is presented that can be performed for polarized light with an arbitrary photon-number distribution. The proposed method fills the gap between existing polarization-tomography schemes for single-photon states and for optical fields with very large photon numbers. It consists of an optical homodyne setup triggered by the outcome of a single-photon counting module. The configuration space of polarization is parametrized by Euler angles and by an additional interference parameter, whose assessment requires conditional homodyne measurements.

引用

页数：5

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