Ultra-large bandwidth hollow-core guiding in all-silica Bragg fibers with nano-supports

2004/01/01 by Guillaume Vienne, G. Vienne, Y. Xu +27 · 1 citation
Engineering · Physics and Astronomy · #Advanced Fiber Laser Technologies #Optical Network Technologies #Photonic Crystal and Fiber Optics #physics.optics

paper · pdf · doi:10.1364/opex.12.003500

published as Opt. Express 12, 3500 (2004). · 9 pages including 5 figures

openalex publication_date 2004/01/01 · arxiv created 2004/07/20 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We demonstrate a new class of hollow-core Bragg fibers that are composed of concentric cylindrical silica rings separated by nanoscale support bridges. We theoretically predict and experimentally observe hollow-core confinement over an octave frequency range. The bandwidth of bandgap guiding in this new class of Bragg fibers exceeds that of other hollow-core fibers reported in the literature. With only three rings of silica cladding layers, these Bragg fibers achieve propagation loss of the order of 1 dB/m.

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