Design Optimization of Equiangular Spiral Photonic Crystal Fiber for Large Negative Flat Dispersion and High Birefringence

被引：78
作者：
Islam, Md Asiful [1 ]
Alam, M. Shah [1 ]
机构：
[1] Bangladesh Univ Engn & Technol, Dept Elect & Elect Engn, Dhaka 1000, Bangladesh
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2012年 / 30卷 / 22期
关键词：
Birefringence; dispersion compensating fiber (DCF); polarization maintaining fiber; residual dispersion; WAVELENGTH BANDS; CHROMATIC DISPERSION; CONFINEMENT LOSSES; EFFECTIVE AREA; OPTICAL-FIBER; COMPENSATION; POLARIZATION;
D O I：
10.1109/JLT.2012.2222349
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The design of a residual dispersion compensating fiber in an equiangular spiral photonic crystal fiber (ES-PCF) structure is presented in the wavelength range 1350-1650 nm. A step-by-step design optimization is demonstrated and a maximum optimized value of average dispersion -393 ps/nm km with a flattened dispersion profile with a very high birefringence is reported. It has been found that for the ES-PCF, a very high birefringence of 0.0278 at the wavelength 1550 nm can be obtained by employing an elliptical air hole as defect in the core region. An efficient full-vectorial finite-element method with vector edge element is employed in this study. The proposed ES-PCF can be an excellent candidate to be used in a wavelength-division-multiplexing optical fiber transmission system for residual chromatic dispersion compensation as well as maintaining single polarization.
引用
收藏
页码：3545 / 3551
页数：7
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