Hybrid structure polarization-maintaining hollow-core photonic bandgap fiber with anti-resonant tubes and silicon layers

A novel-hybrid structure polarization-maintaining 19-cell hollow-core photonic bandgap fiber (HC-PBGF) is proposed. Robust single-mode characteristic is achieved by introducing six anti-resonant tubes into the core of 19-cell HC-PBGF. A high birefringence at the level of 10 −3 is achieved by adding...

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Bibliographic Details
Published inOptics express Vol. 30; no. 23; pp. 42035 - 42045
Main Authors Hu, Kailing, Lou, Shuqin, Jia, Haoqiang, Wang, Xin
Format Journal Article
LanguageEnglish
Published 07.11.2022
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Summary:A novel-hybrid structure polarization-maintaining 19-cell hollow-core photonic bandgap fiber (HC-PBGF) is proposed. Robust single-mode characteristic is achieved by introducing six anti-resonant tubes into the core of 19-cell HC-PBGF. A high birefringence at the level of 10 −3 is achieved by adding silicon layers into the y-direction tubes. The higher-order mode extinction ratio (HOMER) is greater than 4.71 × 10 7 , and the high birefringence can be improved to 5 × 10 −3 . In the waveband from 1530 nm to 1595 nm, the single-mode, high birefringence performance can be effectively maintained even under a tight bending radius of 5 mm.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.470988