Quantum memory for squeezed light

被引：324

作者：

Appel, Juergen ^{[1
]}

Figueroa, Eden ^{[1
]}

Korystov, Dmitry ^{[1
]}

Lobino, M. ^{[1
]}

Lvovsky, A. I. ^{[1
]}

机构：

[1] Univ Calgary, Inst Quantum Informat Sci, Calgary, AB T2N 1N4, Canada

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.100.093602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We produce a 600-ns pulse of 1.86-dB squeezed vacuum at 795 nm in an optical parametric amplifier and store it in a rubidium vapor cell for 1 mu s using electromagnetically induced transparency. The recovered pulse, analyzed using time-domain homodyne tomography, exhibits up to 0.21 +/- 0.04 dB of squeezing. We identify the factors leading to the degradation of squeezing and investigate the phase evolution of the atomic coherence during the storage interval.

引用

页数：4

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