Highly birefringent elliptical-hole photonic crystal fibers with double defect

被引：71

作者：

Chen, Daru ^{[1
]}

Shen, Linfang

机构：

[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, Hangzhou 310058, Peoples R China

[2] Zhejiang Univ, Joint Res Ctr Photon, Hangzhou 310058, Peoples R China

[3] Zhejiang Univ, Dept Informat & Elect Engn, Hangzhou 310058, Peoples R China

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2007年 / 25卷 / 09期

基金：

中国国家自然科学基金;

关键词：

birefringence; photonic crystal fiber (PCF); single-polarization single-mode fiber (SPSM);

D O I：

10.1109/JLT.2007.902114

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：

A novel elliptical-hole photonic crystal fiber (PCF) with double defect is theoretically investigated, and its high birefringence [including both the phase-index birefringence (PIB) and the group-index birefringence (GIB)] is demonstrated, which can reach an order of 10(-2). Such a PCF can especially have a very high PIB, with a negligible GIB in a small band of normalized frequencies. The PIB of this PCF. is much higher than that of the circular-hole PCF with double defect, under comparable parameters. Compared with. the elliptical-hole PCF with single defect, the. present PCF possesses the advantages of both a higher PIB and a larger modal area for modest ellipticities; thus, it is more suitable in linear applications, as well as in fabrication. Moreover, a novel single-polarization single-mode (SPSM) PCF With a broad wavelength band is proposed and demonstrated. In addition, a new approach in designing broadband SPSM PCFs is suggested.

引用

页码：2700 / 2705

页数：6

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