Optical fiber design with orbital angular momentum light purity higher than 99.9%

被引：78

作者：

Zhang, Zhishen ^{[1
,2
]}

Gan, Jiulin ^{[1
,2
,3
]}

Heng, Xiaobo ^{[1
,2
]}

Wu, Yuqing ^{[1
,2
]}

Li, Qingyu ^{[1
,2
]}

Qian, Qi ^{[1
,2
]}

Chen, Dongdan ^{[1
,2
]}

Yang, Zhongmin ^{[1
,2
,3
]}

机构：

[1] S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China

[2] S China Univ Technol, Inst Opt Commun Mat, Guangzhou 510640, Peoples R China

[3] Special Glass Fiber & Device Engn Technol Res & D, Guangzhou 510640, Peoples R China

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 23期

基金：

中国国家自然科学基金;

关键词：

RING FIBER; TRANSMISSION; MODES;

D O I：

10.1364/OE.23.029331

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The purity of the synthesized orbital-angular-momentum (OAM) light in the fiber is inversely proportional to channel crosstalk level in the OAM optical fiber communication system. Here the relationship between the fiber structure and the purity is firstly demonstrated in theory. The graded-index optical fiber is proposed and designed for the OAM light propagation with the purity higher than 99.9%. 16 fiber modes (10 OAM modes) have been supported by a specific designed graded-index optical fiber with dispersion less than 35 ps/(km.nm). Such fiber design has suppressed the intrinsic crosstalk to be lower than -30 dB, and can be potentially used for the long distance OAM optical communication system. (C) 2015 Optical Society of America

引用

页码：29331 / 29341

页数：11

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