Time- and frequency-domain polariton interference

被引：26

作者：

Campbell, G. ^{[1
]}

Hosseini, M. ^{[1
]}

Sparkes, B. M. ^{[1
]}

Lam, P. K. ^{[1
]}

Buchler, B. C. ^{[1
]}

机构：

[1] Australian Natl Univ, Dept Quantum Sci, Ctr Quantum Computat & Commun Technol, Canberra, ACT, Australia

来源：

NEW JOURNAL OF PHYSICS | 2012年 / 14卷

基金：

澳大利亚研究理事会;

关键词：

PHOTON-ECHO; OPTICAL MEMORY;

D O I：

10.1088/1367-2630/14/3/033022

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present experimental observations of interference between an atomic spin coherence and an optical field in a Lambda-type gradient echo memory. The interference is mediated by a strong classical field that couples a weak probe field to the atomic coherence through a resonant Raman transition. Interference can be observed between a prepared spin coherence and another propagating optical field, or between multiple Lambda transitions driving a single-spin coherence. Our scheme can behave as a controllable time-delayed beamsplitter with dynamically tuneable splitting ratio and allows, in principle, for unity interference visibility.

引用

页数：10

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