Multiple frequency conversion via atomic spin coherence of storing a light pulse

We experimentally demonstrate multiple frequency conversion via atomic spin coherence of storing a light pulse in a doped solid. The essence of this multiple frequency conversion is four-wave mixing based on stored atomic spin coherence. Through electromagnetically induced transparency, an input pro...

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Bibliographic Details
Published in:Chinese physics B 2015-06, Vol.24 (6), p.341-346
Main Author: 王磊 罗梦希 孙家翔 孙远航 陈怡 魏小刚 康智慧 王海华 高锦岳
Format: Article
Language:English
Subjects:
Channels
Coherence
Communication networks
Conversion
Data processing
Four-wave mixing
Spectra
Storage
光脉冲
原子
多频
存储
操纵控制
电磁感应透明
相干性
自旋
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Summary:We experimentally demonstrate multiple frequency conversion via atomic spin coherence of storing a light pulse in a doped solid. The essence of this multiple frequency conversion is four-wave mixing based on stored atomic spin coherence. Through electromagnetically induced transparency, an input probe pulse is stored into atomic spin coherence by modulating the intensity of the control field. By using two different control fields to interact with the coherently prepared medium, the stored atomic spin coherence can be transformed into three different information channels. Multiple frequency conversion is implemented efficiently by manipulating the spectra of the control fields to scatter atomic spin coherence. This multiple frequency conversion is expected to have potential applications in information processing and communication network.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/24/6/064205