Mode counting in high-dimensional orbital angular momentum entanglement

被引：10
|
作者：
van Exter, M. P. [1 ]
Lee, P. S. K. [1 ]
Doesburg, S. [1 ]
Woerdman, J. P. [1 ]
机构：
[1] Leiden Univ, Huygens Lab, NL-2300 RA Leiden, Netherlands
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 10期
关键词：
D O I：
10.1364/OE.15.006431
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the high-dimensional orbital angular momentum (OAM) entanglement contained in the spatial profiles of two quantum-correlated photons. For this purpose, we use a multi-mode two-photon interferometer with an image rotator in one of the interferometer arms. By measuring the two-photon visibility as a function of the image rotation angle we measure the azimuthal Schmidt number, i.e., we count the number of OAM modes involved in the entanglement; in our setup this number is tunable from 1 to 8.
引用
收藏
页码：6431 / 6438
页数：8
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