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Crystals 2019, 9(3), 128; https://doi.org/10.3390/cryst9030128

Analysis of the Transmission Characteristic and Stress-Induced Birefringence of Hollow-Core Circular Photonic Crystal Fiber

1
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
2
College of Electrical Information, Langfang Normal University, Langfang 065000, China
3
School of Ethnic Minority Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
*
Authors to whom correspondence should be addressed.
Received: 21 January 2019 / Revised: 26 February 2019 / Accepted: 26 February 2019 / Published: 2 March 2019
(This article belongs to the Special Issue Sonic and Photonic Crystals)
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Abstract

Orbital angular momentum modes in optical fibers have polarization mode dispersion. The relationship between polarization mode dispersion and the birefringence vector can be deduced using an optical fiber dynamic equation. First, a mathematical model was established to formulate mode dispersion caused by stress-induced birefringence. Second, in the stress-induced birefringence simulation model, the finite element method was used to analyze the transmission characteristics of the hollow-core circular photonic crystal fiber. Finally, mode dispersion caused by stress-induced birefringence was obtained using theoretical derivation and simulation analyses. The results showed that the new fiber type has good transmission characteristics and strong stress sensitivity, which provide key theoretical support for optimizing the structural parameters of optical fiber and designing stress sensors. View Full-Text
Keywords: orbital angular momentum; modal dispersion; stress-induced birefringence; finite element method orbital angular momentum; modal dispersion; stress-induced birefringence; finite element method
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Yang, J.; Zhang, H.; Zhang, X.; Li, H.; Xi, L. Analysis of the Transmission Characteristic and Stress-Induced Birefringence of Hollow-Core Circular Photonic Crystal Fiber. Crystals 2019, 9, 128.

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