Three-Color Entanglement

被引：221
作者：
Coelho, A. S. [1 ]
Barbosa, F. A. S. [1 ]
Cassemiro, K. N. [2 ]
Villar, A. S. [2 ,3 ]
Martinelli, M. [1 ]
Nussenzveig, P. [1 ]
机构：
[1] Univ Sao Paulo, Inst Fis, BR-05314970 Sao Paulo, Brazil
[2] Max Planck Inst Sci Light, D-91058 Erlangen, Germany
[3] Univ Erlangen Nurnberg, D-91058 Erlangen, Germany
来源：
SCIENCE | 2009年 / 326卷 / 5954期
基金：
巴西圣保罗研究基金会;
关键词：
SUDDEN-DEATH; QUANTUM; STATES; SYSTEMS;
D O I：
10.1126/science.1178683
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Entanglement is an essential quantum resource for the acceleration of information processing as well as for sophisticated quantum communication protocols. Quantum information networks are expected to convey information from one place to another by using entangled light beams. We demonstrated the generation of entanglement among three bright beams of light, all of different wavelengths (532.251, 1062.102, and 1066.915 nanometers). We also observed disentanglement for finite channel losses, the continuous variable counterpart to entanglement sudden death.
引用
收藏
页码：823 / 826
页数：4
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