Slot Spiral Silicon Photonic Crystal Fiber With Property of Both High Birefringence and High Nonlinearity

被引：24

作者：

Huang, Tianye ^{[1
,2
]}

Liao, Jianfei ^{[1
]}

Fu, Songnian ^{[1
,2
]}

Tang, M. ^{[1
,2
]}

Shum, P. ^{[3
]}

Liu, Deming ^{[2
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Natl Engn Lab Next Generat Internet Access Networ, Wuhan 430074, Peoples R China

[3] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 637553, Singapore

来源：

IEEE PHOTONICS JOURNAL | 2014年 / 6卷 / 03期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Fiber design and fabrication; photonic crystal fibers; fiber properties; fiber optics communications;

D O I：

10.1109/JPHOT.2014.2323312

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 photonic crystal fiber (PCF) made of silicon is proposed and numerically optimized with both ultrahigh birefringence and nonlinearity. By introducing an elliptical low-index slot in the core region, one of the orthogonally polarized fundamental modes can be confined in the low-index region due to the discontinuity of its electric field at the interface of the slot and the surrounding material, while the other fundamental mode is dominated by the modified total internal reflection (MTIR) induced by air holes of the cladding, leading to a birefringence as high as 10(-1) order. On the other hand, benefiting from the tight field confinement and highly nonlinear material, nonlinear coefficients up to 1068 W-1.m(-1) and 162 W-1.m(-1) can be achieved for the slot mode and the MTIR mode, respectively.

引用

页数：7

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