A Highly Birefringent and Nonlinear AsSe$_2$–As$_2$S$_5$ Photonic Crystal Fiber With Two Zero-Dispersion Wavelengths

IEEE Photonics Journal

Y. Jay Guo¹  Tianyu Yang¹  Can Ding¹ 

[1] Global Big Data Technologies Centre, University of Technology Sydney, Ultimo, Australia;

关键词: High birefringence;    nonlinearity;    photonic crystal fiber;    supercontinuum spectrum generation;    zero-dispersion wavelength;   

DOI  :  10.1109/JPHOT.2018.2886195

来源: DOAJ

【 摘 要 】

A hybrid AsSe₂-As₂S₅ photonic crystal fiber (PCF) with a solid elliptical core is proposed and studied theoretically by the full-vector finite element method. The core and cladding of the PCF are made of AsSe₂ and As₂S₅ glasses, respectively. Simulation results demonstrates that, at the operating wavelength of 1.55 μm, the proposed PCF not only exhibits a very high birefringence of 0.091 but also has large nonlinear coefficients of 147.8 and 78.2 W^-1m^-1 for the X- and Y-polarized (X and Y-pol) modes, respectively. Moreover, it is able to achieve two zero-dispersion wavelengths for both the X-pol (1.52 and 2.19 μm) and Y-pol (1.43 and 2.12 μm) modes. The proposed hybrid PCF exhibits excellent polarization maintaining and the nonlinearity performance, thus, suitable to be used in supercontinuum spectrum generation and polarization maintaining nonlinear signal processing.

【 授权许可】

Unknown