Quantum Up-Conversion of Squeezed Vacuum States from 1550 to 532 nm

被引：66

作者：

Vollmer, Christina E. ^{[1
,2
]}

Baune, Christoph ^{[1
,2
]}

Samblowski, Aiko ^{[1
,2
]}

Eberle, Tobias ^{[1
,2
]}

Haendchen, Vitus ^{[1
,2
]}

Fiurasek, Jaromir ^{[3
]}

Schnabel, Roman ^{[1
,2
]}

机构：

[1] Leibniz Univ Hannover, Albert Einstein Inst, Max Planck Inst Gravitat Phys, D-30167 Hannover, Germany

[2] Leibniz Univ Hannover, Inst Gravitat Phys, D-30167 Hannover, Germany

[3] Palacky Univ, Dept Opt, Olomouc 77146, Czech Republic

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 07期

关键词：

FREQUENCY-CONVERSION; LIGHT; NOISE; METROLOGY;

D O I：

10.1103/PhysRevLett.112.073602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Squeezed vacuum states constitute a particularly useful resource in quantum information as well as in quantum metrology. The frequency conversion of these states is important to provide the bridge between different wavelengths within a sequence of downstream applications and also to provide a way for squeezed-state generation at so-far inaccessible wavelengths. Here we demonstrate the external quantum up-conversion of carrier-light-free squeezed vacuum states for the first time. Our result proves that nondegenerate sum-frequency generation preserves the coherences that are present between photon pairs and higher-order photon pairs of the squeezed input state.

引用

页数：5

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