Efficient optical pumping of Zeeman spin levels in Nd3+:YVO4

被引：31

作者：

Afzelius, Mikael ^{[1
]}

Staudt, Matthias U. ^{[1
]}

de Riedmatten, Hugues ^{[1
]}

Gisin, Nicolas ^{[1
]}

Guillot-Noel, Olivier ^{[2
]}

Goldner, Philippe ^{[2
]}

Marino, Robert ^{[2
]}

Porcher, Pierre ^{[2
]}

Cavalli, Enrico ^{[3
]}

Bettinelli, Marco ^{[4
]}

机构：

[1] Univ Geneva, Appl Phys Grp, CH-1211 Geneva 4, Switzerland

[2] Ecole Natl Super Chim Paris, Lab Chim Matiere Condensee Paris, CNRS, UMR 7574, F-75231 Paris 05, France

[3] Univ Parma, Dipartimento Chim Gen & Inorgan Chim Analit & Chi, I-43100 Parma, Italy

[4] Univ Verona, Dipartimento Sci & Tecnol, I-37134 Verona, Italy

来源：

JOURNAL OF LUMINESCENCE | 2010年 / 130卷 / 09期

关键词：

Rare-earth ions; Zeeman transitions; Branching ratio; Optical pumping; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; QUANTUM COMMUNICATION; HYPERFINE-STRUCTURE; ATOMIC ENSEMBLES; CRYSTAL; FIELD; RELAXATION; STORAGE; MEMORY; LIGHT;

D O I：

10.1016/j.jlumin.2009.12.026

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate that Zeeman ground-state spin levels in Nd3+: YVO4 provides the possibility to create an efficient Lambda- system for optical pumping experiments. The branching ratio R in the Lambda-system is measured experimentally via absorption spectroscopy and is compared to a theoretical model. We show that R can be tuned by changing the orientation of the magnetic field. These results are applied to optical pumping experiments, where significant improvement is obtained compared to previous experiments in this system. The tunability of the branching ratio in combination with its good coherence properties and the high oscillator strength makes Nd3+: YVO4 an interesting candidate for various quantum information protocols. (c) 2010 Elsevier B.V. All rights reserved.

引用

页码：1566 / 1571

页数：6

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