Raman quantum memory based on an ensemble of nitrogen-vacancy centers coupled to a microcavity

被引：23

作者：

Heshami, Khabat ^{[1
]}

Santori, Charles ^{[2
]}

Khanaliloo, Behzad ^{[1
]}

Healey, Chris ^{[1
]}

Acosta, Victor M. ^{[2
]}

Barclay, Paul E. ^{[1
,3
]}

Simon, Christoph ^{[1
]}

机构：

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

[2] Hewlett Packard Labs, Palo Alto, CA 94304 USA

[3] NRC, Natl Inst Nanotechnol, Edmonton, AB T6G 2M9, Canada

来源：

PHYSICAL REVIEW A | 2014年 / 89卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

COLOR-CENTER; ATOMIC ENSEMBLES; ENTANGLEMENT;

D O I：

10.1103/PhysRevA.89.040301

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a scheme to realize optical quantum memories in an ensemble of nitrogen-vacancy centers in diamond that are coupled to a microcavity. The scheme is based on off-resonant Raman coupling, which allows one to circumvent optical inhomogeneous broadening and store optical photons in the electronic spin coherence. This approach promises a storage time of order 1 s and a time-bandwidth product of order 107. We include all possible optical transitions in a nine-level configuration, numerically evaluate the efficiencies, and discuss the requirements for achieving high efficiency and fidelity.

引用

页数：5

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