Coding/decoding two-dimensional images with orbital angular momentum of light

被引：21
|
作者：
Chu, Jiaqi [1 ]
Li, Xuefeng [1 ]
Smithwick, Quinn [2 ]
Chu, Daping [1 ]
机构：
[1] Univ Cambridge, Photon & Sensors Grp, Dept Engn, Cambridge CB3 0FA, England
[2] Disney Res, Glendale, CA 91201 USA
来源：
OPTICS LETTERS | 2016年 / 41卷 / 07期
基金：
英国工程与自然科学研究理事会;
关键词：
BEAMS; GENERATION;
D O I：
10.1364/OL.41.001490
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate encoding and decoding of two-dimensional information using the orbital angular momentum (OAM) of light. Spiral phase plates and phase-only spatial light modulators are used in encoding and decoding of OAM states, respectively. We show that off-axis points and spatial variables encoded with a given OAM state can be recovered through decoding with the corresponding complimentary OAM state. (C) 2016 Optical Society of America
引用
收藏
页码：1490 / 1493
页数：4
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