Realization of a twin beam source based on four-wave mixing in Cesium

被引：4

作者：

Adenier, G. ^{[1
]}

Calonico, D. ^{[1
]}

Micalizio, S. ^{[1
]}

Samantaray, N. ^{[1
,2
]}

Degiovanni, I. P. ^{[1
]}

Berchera, I. Ruo ^{[1
]}

机构：

[1] INRiM, Str Cacce 91, I-10135 Turin, Italy

[2] Politecn Torino, Corso Duca Abruzzi 24, I-10129 Turin, Italy

来源：

INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2016年 / 14卷 / 04期

关键词：

Twin beam; four wave mixing; atom based quantum protocols; PARAMETRIC-DOWN-CONVERSION;

D O I：

10.1142/S0219749916400141

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Four-wave mixing (4WM) is a known source of intense non-classical twin beams. It can be generated when an intense laser beam (the pump) and a weak laser beam (the seed) overlap in a chi((3)) medium (here Cesium vapor), with frequencies close to resonance with atomic transitions. The twin beams generated by 4WM have frequencies naturally close to atomic transitions, and can be intense (gain >> 1) even in the CW pump regime, which is not the case for PDC chi((2)) phenomenon in nonlinear crystals. So, 4WM is well suited for atom-light interaction and atom-based quantum-protocols. Here, we present the first realization of a source of 4-wave mixing exploiting D-2 line of Cesium atoms.

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页数：10

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