Abstract
We show that the complex-amplitude cross-correlation function between two beams can be obtained by the global Stokes parameters. We apply this approach to determine the topological charge of a Laguerre–Gaussian (LG) beam by performing power measurements only. Additionally, we study the connection of the cross-correlation function with the degree of polarization for nonuniformly polarized beams, and we obtain closed-form expressions of the cross correlation for LG vector modes and the generalized full Poincaré beams.
© 2014 Optical Society of America
Full Article | PDF ArticleMore Like This
Yuanjie Yang, Michael Mazilu, and Kishan Dholakia
Opt. Lett. 37(23) 4949-4951 (2012)
Jiangbo Zhu, Yujie Chen, Yanfeng Zhang, Xinlun Cai, and Siyuan Yu
Opt. Lett. 39(15) 4435-4438 (2014)
Anderson M. Amaral, Edilson L. Falcão-Filho, and Cid B. de Araújo
Opt. Express 22(24) 30315-30324 (2014)