Multioctave supercontinuum from visible to mid-infrared and bend effects on ultrafast nonlinear dynamics in gas-filled hollow-core fiber

Md Selim Habib*, Christos Markos, J. E. Antonio-Lopez, Rodrigo Amezcua-Correa

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Broadband supercontinuum generation is numerically investigated in a Xe-filled nested hollow-core antiresonant (HC-AR) fiber pumped at 3 μm with pulses of 100 fs duration and 15 μJ energy. For a 25 cm long fiber, under 7 bar pressure, the supercontinuum spectrum spans multiple octaves from 400 nm to 5000 nm. Furthermore, the influence of bending on ultrafast nonlinear pulse propagation dynamics is investigated for two types of HC-AR fibers (nested and non-nested capillaries). Our results predict similar nonlinear dynamics for both fiber types and a significant reduction of the spectral broadening under tight bending conditions.

Original languageEnglish
JournalApplied Optics
Volume58
Issue number13
Pages (from-to)D7-D11
ISSN1559-128X
DOIs
Publication statusPublished - 1 May 2019

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