Observation of a Nonlocal Optical Vortex

被引：33
作者：
Gomes, R. M. [1 ,2 ]
Salles, A. [2 ]
Toscano, F. [2 ,3 ]
Ribeiro, P. H. Souto [2 ]
Walborn, S. P. [2 ]
机构：
[1] Univ Fed Goias, Inst Fis, BR-74001970 Goiania, Go, Brazil
[2] Univ Fed Rio de Janeiro, Inst Fis, BR-21941972 Rio De Janeiro, Brazil
[3] Fundacao Ctr Ciencias & Educ Super Distancia Esta, BR-20943001 Rio De Janeiro, Brazil
来源：
PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 03期
关键词：
ORBITAL ANGULAR-MOMENTUM; BROGLIE WAVELENGTH; PHOTONS; LIGHT; BEAMS;
D O I：
10.1103/PhysRevLett.103.033602
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report the observation of an optical vortex in the correlations of photons produced from spontaneous parametric down-conversion. The singularity appears in a nonlocal coordinate plane consisting of 1 degree of freedom of each photon.
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页数：4
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