Four-fold truncated double-nested anti-resonant hollow-core fiber for ultralow loss and robust single mode operation
Shoufei Gao, Yizhi Sun, Hao Chen, Dawei Ge, Dong Wang, Dechao Zhang, Han Li, Wei Ding, Yingying Wang
Abstract
We report the simultaneous achievement of ultralow loss in fundamental mode (0.1-0.2 dB/km) and high loss in higher order modes (db/m level) with an extinction ratio reaching 26000 in a novel four-fold truncated DNANF structure.
Topics & Concepts
Fold (higher-order function)Materials scienceCore (optical fiber)Computer scienceComposite materialProgramming languageOptical Network TechnologiesPhotonic Crystal and Fiber OpticsAdvanced Fiber Optic Sensors