Soft Glass Equiangular Spiral Photonic Crystal Fiber for Supercontinuum Generation

被引：58

作者：

Agrawal, Arti ^{[1
]}

Kejalakshmy, N. ^{[1
]}

Rahman, B. M. Azizur ^{[1
]}

Grattan, Kenneth T. V. ^{[1
]}

机构：

[1] City Univ London, Sch Engn & Math Sci, London EC1V 0HB, England

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2009年 / 21卷 / 22期

关键词：

Equiangular spiral (ES); finite element method; photonic crystal fiber (PCF); supercontinuum generation (SCG); HOLEY FIBERS; NONLINEARITY; DISPERSION;

D O I：

10.1109/LPT.2009.2032523

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：

An equiangular spiral photonic crystal fiber (ES-PCF) design in soft glass is presented that has high nonlinearity (gamma > 5250 W-1 . km(-1) at 1064 nm and gamma > 2150 W-1 . km at 1550 nm) with a low and flat dispersion (D similar to 0.8 ps/km . nm and dispersion slope similar to -0.7 ps/km . nm(2) at 1060 nm). The design inspired by nature is characterized by a full-vectorial finite element method. The ES-PCF presented improves over the mode confinement of triangular core designs and dispersion control of conventional hexagonal PCF, combining the advantages of both designs; it can be an excellent candidate for generating supercontinuum pumped at 1.06 mu m.

引用

页码：1722 / 1724

页数：3

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