Design of a multi-core photonic crystal fiber supporting 518 OAM modes

被引：1

作者：

Liu, Qiang ^{[1
,2
]}

Han, Mingzhu ^{[1
,2
]}

Mu, Haiwei ^{[1
,2
]}

Liu, Wei ^{[1
,2
]}

Li, Wenjing ^{[1
,2
]}

Wang, Kaiyu ^{[1
,2
]}

Ma, Chao ^{[1
,2
]}

Lv, Jingwei ^{[1
,2
]}

Chu, Paul k. ^{[3
,4
]}

Liu, Chao ^{[1
,2
]}

机构：

[1] Northeast Petr Univ, Sch Phys & Elect Engn, Daqing 163318, Peoples R China

[2] Northeast Petr Univ, SANYA Offshore Oil & Gas Res Inst, Sanya 572024, Peoples R China

[3] City Univ Hong Kong, Dept Phys, Dept Mat Sci & Rngn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China

[4] City Univ Hong Kong, Dept Biomed Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2023年 / 40卷 / 11期

基金：

中国博士后科学基金;

关键词：

TRANSMISSION; GENERATION;

D O I：

10.1364/JOSAB.501502

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A multi-ring core photonic crystal fiber (PCF) with seven high-index ring regions is designed for the transmission of multiple orbital angular momentum (OAM) modes. The new structure which has an optimized air hole arrangement shows improved transmission quantity and number of OAM modes. Numerical analysis reveals that the PCF can transmit 518 OAM modes in the range of 1.4-1.75 mu m stably while avoiding cross talk from the adjacent ring core resulting in a low cross talk of merely -208.5 dB, confinement loss less than 10-9 dB/m, as well as mode quality greater than 0.925. The results disclose a new method to increase the communication capacity and suggest that the PCF has great application potential. (c) 2023 Optica Publishing Group

引用

页码：2913 / 2919

页数：7

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