An asymmetric dual-core single-polarization single-mode photonic crystal fiber coupler

被引：1
|
作者：
Li H. [1 ]
Lou S. [1 ]
Chen W. [1 ]
Wang L. [1 ]
Jian S. [1 ]
机构：
[1] Key Lab of All Optical Net. and Adv. Telecommunication Net. of Edu. Ministry of China, Institute of Lightwave Technology, Beijing Jiaotong University
来源：
Optoelectronics Letters | 2010年 / 6卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Finite element method;
D O I：
10.1007/s11801-010-9279-0
中图分类号：
学科分类号：
摘要：
A vectorial finite element method (VFEM) is adopted to investigate the novel single-polarization single-mode (SPSM) photonic crystal fiber (PCF) coupler which has asymmetric dual-core and two lines of enlarged air holes. It is demonstrated that the SPSM region of the designed fiber can be more than 250 nm wide with a set of optimized air-hole parameters and the width of the SPSM region could change slightly by fine adjustment of the inner large air holes. The coupling length between the odd and even x-polarization modes is also investigated through fine-tuning the large and small air-hole diameters. © 2010 Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：272 / 274
页数：2
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