High-order orbital angular momentum mode generator based on twisted photonic crystal fiber

被引：94

作者：

Fu, Cailing ^{[1
]}

Liu, Shen ^{[1
]}

Wang, Ying ^{[1
]}

Bai, Zhiyong ^{[1
]}

He, Jun ^{[1
]}

Liao, Changrui ^{[1
]}

Zhang, Yan ^{[1
]}

Zhang, Feng ^{[1
]}

Yu, Bin ^{[1
]}

Gao, Shecheng ^{[2
]}

Li, Zhaohui ^{[3
,4
]}

Wang, Yiping ^{[1
]}

机构：

[1] Shenzhen Univ, Coll Optoelect Engn, Key Lab Optoelect Devices & Syst, Minist Educ & Guangdong Prov, Shenzhen 518060, Peoples R China

[2] Jinan Univ, China Dept Elect Engn, Guangzhou 510632, Guangdong, Peoples R China

[3] Sun Yat Sen Univ, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China

[4] Sun Yat Sen Univ, Sch Elect & Informat Technol, Guangzhou 510275, Guangdong, Peoples R China

来源：

OPTICS LETTERS | 2018年 / 43卷 / 08期

基金：

中国国家自然科学基金;

关键词：

OPTICAL VORTEX GENERATION; LONG-PERIOD FIBER; CONVERTER; GRATINGS; MANIPULATION; CONVERSION; WRITTEN;

D O I：

10.1364/OL.43.001786

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

High-order orbital angular momentum (OAM) modes, namely, OAM(+5) and OAM(+6), were generated and demonstrated experimentally by twisting a solid-core hexagonal photonic crystal fiber (PCF) during hydrogen-oxygen flame heating. Leaky orbital resonances in the cladding depend strongly on the twist rate and length of the helical PCF. Moreover, the generated high-order OAM mode could be a polarized mode. The secret of the successful observation of high-order modes is that leaky orbital resonances in the twisted PCF cladding have a high coupling efficiency of more than -20 dB. (C) 2018 Optical Society of America

引用

页码：1786 / 1789

页数：4

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