Coherent population trapping of single spins in diamond under optical excitation

被引：232

作者：

Santori, Charles

Tamarat, Philippe

Neumann, Philipp

Wrachtrup, Jorg

Fattal, David

Beausoleil, Raymond G.

Rabeau, James

Olivero, Paolo

Greentree, Andrew D.

Prawer, Steven

Jelezko, Fedor

Hemmer, Philip

机构：

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

[2] Univ Stuttgart, Inst Phys, D-70550 Stuttgart, Germany

[3] Univ Melbourne, Sch Phys, Ctr Excellence Quantum Comp Technol, Melbourne, Vic 3010, Australia

[4] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.97.247401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Coherent population trapping is demonstrated in single nitrogen-vacancy centers in diamond under optical excitation. For sufficient excitation power, the fluorescence intensity drops almost to the background level when the laser modulation frequency matches the 2.88 GHz splitting of the ground states. The results are well described theoretically by a four-level model, allowing the relative transition strengths to be determined for individual centers. The results show that all-optical control of single spins is possible in diamond.

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页数：4

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