Research and Design of All-solid Dual-concentric-core Photonic Crystal Fiber for Dispersion Compensation

Yu-wei, 屈玉玮 Qu; Chun-lan, 张春兰 Zhang; Chang-jiang, 郭长江 Guo; Sen, 张森 Zhang; Ying, 韩颖 Han; Xing-tao, 赵兴涛 Zhao; Lantian, 侯蓝田 Hou; Wei, 王伟 Wang

doi:10.3788/gzxb20174607.0706005

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“…In 2017, Qu et al presented an all-solid DCC-MSF, which can realize dispersion compensation of single wavelength. Its negative dispersion value at 1550 nm reached −32,620 ps/(nm•km) [13]. However, only compensating the cumulative dispersion of some wavelengths makes it very difficult to satisfy the need of DWDM systems in fiber communication.…”

Section: Introductionmentioning

confidence: 99%

Design of All-Solid Dual-Concentric-Core Microstructure Fiber for Ultra-Broadband Dispersion Compensation

Wang

Zhang

et al. 2019

Applied Sciences

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In this paper, the all-solid dual-concentric-core microstructure fiber (MSF) with ultra-broadband dispersion compensation characteristics is designed. The effects of microstructure fiber structure parameters on dispersion, phase-matching wavelength, and kappa value are analyzed by the multi-pole method and mode coupling theory. The average dispersion compensation multiple is 18.45, that is, 1 km long dispersion compensated MSF can compensate for the cumulative dispersion of standard single-mode fiber of 18.45 km in the wavelength range of 1385~1575 nm by optimizing MSF parameters. The change range of residual dispersion is within ±0.72 ps/(nm·km), and the splicing loss with standard single-mode fiber is controlled below 5 dB within the compensation bandwidth of 190 nm. Compared with the air hole-quartz structure dual-concentric-core microstructure fiber, the designed fiber reduces the difficulty of fiber drawing, is easy to splice with standard single-mode fiber, and has wider compensation bandwidth as well as larger compensation multiple than the existing microstructure fiber. This lays a solid foundation for the optimization of dense wavelength division multiplexing networks and the construction of all-optical networks.

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Section: Introductionmentioning

confidence: 99%