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Journal article

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

By Habib, Md Selim1; Markos, Christos2,3; Antonio-Lopez, J. E.1; Amezcua-Correa, Rodrigo1

From

University of Central Florida1

Department of Photonics Engineering, Technical University of Denmark2

Fiber Sensors & Supercontinuum, Department of Photonics Engineering, Technical University of Denmark3

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.

Language: English
Year: 2019
Pages: D7-D11
ISSN: 15394522 , 00036935 , 1559128x and 21553165
Types: Journal article
DOI: 10.1364/AO.58.0000D7
ORCIDs: Markos, Christos and 0000-0003-0161-5325

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