Spin wave diffraction control and read-out with a quantum memory for light

被引：6

作者：

Hetet, Gabriel ^{[1
]}

Guery-Odelin, David ^{[2
,3
]}

机构：

[1] Univ Paris Diderot, Univ Paris 06, Sorbonne Univ,CNRS,Sorbonne Paris Cite, Lab Pierre Aigrain,Ecole Normale Super,PSL Res Un, F-75231 Paris 05, France

[2] Univ Toulouse, UPS, Lab Collis Agregats Reactiv, IRSAMC, F-31062 Toulouse, France

[3] CNRS, UMR 5589, F-31062 Toulouse, France

来源：

NEW JOURNAL OF PHYSICS | 2015年 / 17卷

关键词：

quantum optics; quantum memories; spin waves; ATOMS;

D O I：

10.1088/1367-2630/17/7/073003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A scheme for control and read-out of diffracted spins waves to propagating light fields is presented. Diffraction is obtained via sinusoidally varying lights shifts and ideal one-to-one mapping to light is realized using a gradient echo quantum memory. We also show that dynamical control of the diffracted spin waves spatial orders can be implemented to realize a quantum pulse sequencer for temporal modes that have high time-bandwidth products. Full numerical solutions suggest that both co-propagating and counter propagating light shift geometries can be used, making the proposal applicable to hot and cold atomic vapours as well as solid state systems with two-level atoms.

引用

页数：6

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