Quantum interference of ultrastable twin optical beams

被引：43

作者：

Feng, S ^{[1
]}

Pfister, O ^{[1
]}

机构：

[1] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 20期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.92.203601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first measurement of the quantum phase-difference noise of an ultrastable nondegenerate optical parametric oscillator that emits twin beams classically phase locked at exact frequency degeneracy. The measurement illustrates the property of a lossless balanced beam splitter to convert number-difference squeezing into phase-difference squeezing, and thus provides indirect evidence for Heisenberg-limited interferometry using twin beams. This experiment is a generalization of the Hong-Ou-Mandel interference effect for continuous variables and constitutes a milestone towards continuous-variable entanglement of bright, ultrastable nondegenerate beams.

引用

页码：203601 / 1

页数：4

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