Highly birefringent photonic crystal fibers with triple defect core and squeezed lattice of air holes

Shaohua Zhang; Jianquan Yao; Jinhai Sun; He Cai

doi:10.1117/12.2071948

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3 December 2014 Highly birefringent photonic crystal fibers with triple defect core and squeezed lattice of air holes

Shaohua Zhang, Jianquan Yao, Jinhai Sun, He Cai

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Proceedings Volume 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors; 92972W (2014) https://doi.org/10.1117/12.2071948
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

We propose a novel highly birefringent photonic crystal fiber (PCF). It is composed of a triple defect core and a cladding with squeezed hexagonal lattice circular air holes. Using a full-vector finite element method (FEM) simulator (COMSOL Multiphysics), we study the modal birefringence of the fundamental modes in such PCFs. Numerical results show that the birefringence of the proposed PCF reaches the order of 10^-2, which is larger than the triple defect core PCF without squeezed cladding, also is much larger than the single defect core PCF with squeezed cladding. Moreover, the proposed PCF also has a low confinement loss about 10dB/km at wavelength λ=1.55μm.

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Shaohua Zhang, Jianquan Yao, Jinhai Sun, and He Cai "Highly birefringent photonic crystal fibers with triple defect core and squeezed lattice of air holes", Proc. SPIE 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors, 92972W (3 December 2014); https://doi.org/10.1117/12.2071948

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