Design of photonic crystal fiber with elliptical air-holes to achieve simultaneous high birefringence and nonlinearity  

作　　者：刘敏 侯静云 杨虚 赵昺玥 Ping Shum 

机构地区：[1]College of Communication Engineering, Chongqing University [2]Ministry of Education Key Laboratory of Optoelectronic Technology and Systems, Chongqing University [3]School of Electrical & Electronic Engineering, Nanyang Technological University

出　　处：《Chinese Physics B》2018年第1期385-389,共5页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China(Grant No.61475029)

摘　　要：A new type of V-shaped photonic crystal fiber with elliptical air-holes is proposed to realize simultaneous high bire- fringence and nonlinearity at a wavelength of 1.55 μm. The full vector finite element method was adopted to investigate its characteristics, including birefringence, nonlinearity, and dispersion. The PCF exhibited a very high birefringence of 2.89x10-2 and very high nonlinear coefficient of 102.69 W-1 .km 1. In particular, there were two zero-dispersion wave- lengths （ZDWs） in the visible （X： 640-720 nm and Y： 730-760 nm） and near-infrared regions （X： 1050-1606 nm and Y： 850-1500 nm）. The combination of high birefringence and nonlinearity allowed the PCF to maintain the polarization state and generate a broadband super continuum, with potential applications in nonlinear optics.A new type of V-shaped photonic crystal fiber with elliptical air-holes is proposed to realize simultaneous high bire- fringence and nonlinearity at a wavelength of 1.55 μm. The full vector finite element method was adopted to investigate its characteristics, including birefringence, nonlinearity, and dispersion. The PCF exhibited a very high birefringence of 2.89x10-2 and very high nonlinear coefficient of 102.69 W-1 .km 1. In particular, there were two zero-dispersion wave- lengths （ZDWs） in the visible （X： 640-720 nm and Y： 730-760 nm） and near-infrared regions （X： 1050-1606 nm and Y： 850-1500 nm）. The combination of high birefringence and nonlinearity allowed the PCF to maintain the polarization state and generate a broadband super continuum, with potential applications in nonlinear optics.

关 键 词：photonic crystal fiber BIREFRINGENCE NONLINEARITY zero dispersion 

分 类 号：O4[理学—物理]