Optimum Photoluminescence Excitation and Recharging Cycle of Single Nitrogen-Vacancy Centers in Ultrapure Diamond

被引：151

作者：

Beha, K. ^{[1
,2
]}

Batalov, A. ^{[1
,2
]}

Manson, N. B. ^{[3
]}

Bratschitsch, R. ^{[1
,2
]}

Leitenstorfer, A. ^{[1
,2
]}

机构：

[1] Univ Konstanz, Dept Phys, D-78457 Constance, Germany

[2] Univ Konstanz, Ctr Appl Photon, D-78457 Constance, Germany

[3] Australian Natl Univ, Laser Phys Ctr, Canberra, ACT 0200, Australia

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 09期

关键词：

SYNTHETIC DIAMOND; SPIN; ENTANGLEMENT; PHOTONS;

D O I：

10.1103/PhysRevLett.109.097404

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Important features in the spectral and temporal photoluminescence excitation of single nitrogen-vacancy (NV) centers in diamond are reported at conditions relevant for quantum applications. Bidirectional switching occurs between the neutral (NV0) and negatively charged (NV-) states. Luminescence of NV- is most efficiently triggered at a wavelength of 575 nm which ensures optimum excitation and recharging of NV0. The dark state of NV- is identified as NV0. A narrow resonance is observed in the excitation spectra at 521 nm, which mediates efficient conversion to NV0.

引用

页数：5

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