Free-space optical data links based on coaxial sidelobe-modified optical vortices

被引：7

作者：

Zhang, Meng ^{[1
]}

Jia, Ping ^{[1
]}

Li, Yuru ^{[2
]}

Lei, Ting ^{[3
,4
]}

Li, Zhaohui ^{[2
]}

Yuan, Xiaocong ^{[3
,4
]}

机构：

[1] Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China

[2] Jinan Univ, Inst Photon Technol, Guangzhou 510632, Guangdong, Peoples R China

[3] Shenzhen Univ, Inst Micro & Nano Opt, Key Lab Optoelect Devices & Syst, Coll Optoelect Engn,Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

[4] Shenzhen Univ, Minist Educ & Guangdong Prov, Coll Optoelect Engn, Shenzhen 518060, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2015年 / 13卷 / 10期

关键词：

ORBITAL ANGULAR-MOMENTUM; LIGHT-BEAMS; COMMUNICATION; STATES; MODES;

D O I：

10.3788/COL201513.100502

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and demonstrate free-space optical data links based on coaxial sidelobe-modified optical vortices (CSMOVs). In contrast to the optical communication systems based on amplitude, frequency, or phase detection, the proposed scheme uses the radii ratio between the principle ring and the first sidelobe of the CSMOV. Therefore, the demand of stringent alignment and/or accurate phase matching is released. We design and optimize a composite computer-generated hologram to generate a CSMOV with four topological charges (TCs). Extracted from the images captured by a CCD camera, the radii ratio between the principle ring and the first sidelobe of different TCs are consistent with the theoretical values.

引用

页数：5

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