Quantum-state homodyne measurement with vacuum ports

被引：38

作者：

Zucchetti, A ^{[1
]}

Vogel, W ^{[1
]}

Welsch, DG ^{[1
]}

机构：

[1] UNIV JENA, INST THEORET PHYS, D-07743 JENA, GERMANY

来源：

PHYSICAL REVIEW A | 1996年 / 54卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.54.856

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that the quantum state of an N-mode light field can be reconstructed from the difference statistics recorded in multiport homodyning with N unused input ports. The theory is applied to balanced homodyne six-port detection, which is shown to be suited for measuring the Q function of a single-mode radiation field.

引用

页码：856 / 862

页数：7

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