Self-homodyne tomography of a twin-beam state

被引：41

作者：

D'Ariano, GM ^{[1
]}

Vasilyev, M

Kumar, P

机构：

[1] Northwestern Univ, Dept Elect & Comp Engn, Evanston, IL 60208 USA

[2] INFM, Theoret Quantum Opt Grp, Unita Pavia, I-27100 Pavia, Italy

来源：

PHYSICAL REVIEW A | 1998年 / 58卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.58.636

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A self-homodyne detection scheme is proposed to perform two-mode tomography on a twin-beam state at the output of a nondegenerate optical parametric amplifier. This scheme has been devised to improve the matching between the local oscillator and the signal modes, which is the main limitation to the overall quantum efficiency in conventional homodyning. The feasibility of the measurement is analyzed on the basis of Monte Carlo simulations, studying the effect of nonunit quantum efficiency on detection of the correlation and the total photon-number oscillations of the twin-beam state.

引用

页码：636 / 648

页数：13

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