5 March 2007 Highly birefringent index-guiding photonic crystal fibers with two big circular holes in elliptical-air-hole cladding
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Proceedings Volume 6595, Fundamental Problems of Optoelectronics and Microelectronics III; 659519 (2007); doi: 10.1117/12.726468
Event: Fundamental Problems of Optoelectronics and Microelectronics III, 2006, Harbin, China
Abstract
In this letter, we put forward a new kind of polarization-maintaining index-guiding photonic crystal fiber (PM-IG-PCF). It is made up of a solid silica core, two big circular air holes near the core and a cladding with elliptical air holes. By making use of a full-vector finite-element method (FEM), we study the modal birefringence and polarization mode dispersion (PMD) as a function of the normalized wavelength of fundamental modes in the PM-IG-PCF we proposed. Numerical results show that very high modal birefringence with magnitude of order of 10-3 has been obtained, which is higher than the birefringence induced by adding two big air holes near the core or elliptical air holes in cladding separately. Furthermore, the chromatic dispersion curves of the two orthogonal polarizations for the birefringence PCF are presented as a function of the normalized wavelength.
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Yang Yue, Guiyun Kai, Zhi Wang, Long Jin, Tingting Sun, Yunfei Lu, Chunshu Zhang, Yan Li, Jianguo Liu, Yange Liu, Shuzhong Yuan, Xiaoyi Dong, "Highly birefringent index-guiding photonic crystal fibers with two big circular holes in elliptical-air-hole cladding", Proc. SPIE 6595, Fundamental Problems of Optoelectronics and Microelectronics III, 659519 (5 March 2007); doi: 10.1117/12.726468; https://doi.org/10.1117/12.726468
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KEYWORDS
Birefringence

Dispersion

Polarization

Cladding

Photonic crystal fibers

Solids

Finite element methods

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