Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers

Abstract Supercontinuum generation enabled a series of key technologies such as frequency comb sources, ultrashort pulse sources in the ultraviolet or the mid-infrared, as well as broadband light sources for spectroscopic methods in biophotonics. Recent advances utilizing higher-order modes have sho...

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Autores principales:	Ramona Scheibinger, Niklas M. Lüpken, Mario Chemnitz, Kay Schaarschmidt, Jens Kobelke, Carsten Fallnich, Markus A. Schmidt
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/763214327e63486fb933df6c4d239ad6
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spelling	oai:doaj.org-article:763214327e63486fb933df6c4d239ad62021-12-02T13:30:52ZHigher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers10.1038/s41598-021-84397-12045-2322https://doaj.org/article/763214327e63486fb933df6c4d239ad62021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-84397-1https://doaj.org/toc/2045-2322Abstract Supercontinuum generation enabled a series of key technologies such as frequency comb sources, ultrashort pulse sources in the ultraviolet or the mid-infrared, as well as broadband light sources for spectroscopic methods in biophotonics. Recent advances utilizing higher-order modes have shown the potential to boost both bandwidth and modal output distribution of supercontinuum sources. However, the strive towards a breakthrough technology is hampered by the limited control over the intra- and intermodal nonlinear processes in the highly multi-modal silica fibers commonly used. Here, we investigate the ultrafast nonlinear dynamics of soliton-based supercontinuum generation and the associated mode coupling within the first three lowest-order modes of accurately dispersion-engineered liquid-core fibers. By measuring the energy-spectral evolutions and the spatial distributions of the various generated spectral features polarization-resolved, soliton fission and dispersive wave formation are identified as the origins of the nonlinear broadening. Measured results are confirmed by nonlinear simulations taking advantage of the accurate modeling capabilities of the ideal step-index geometry of our liquid-core platform. While operating in the telecommunications domain, our study allows further advances in nonlinear switching in emerging higher-order mode fiber networks as well as novel insights into the sophisticated nonlinear dynamics and broadband light generation in pre-selected polarization states.Ramona ScheibingerNiklas M. LüpkenMario ChemnitzKay SchaarschmidtJens KobelkeCarsten FallnichMarkus A. SchmidtNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ramona Scheibinger Niklas M. Lüpken Mario Chemnitz Kay Schaarschmidt Jens Kobelke Carsten Fallnich Markus A. Schmidt Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers
description	Abstract Supercontinuum generation enabled a series of key technologies such as frequency comb sources, ultrashort pulse sources in the ultraviolet or the mid-infrared, as well as broadband light sources for spectroscopic methods in biophotonics. Recent advances utilizing higher-order modes have shown the potential to boost both bandwidth and modal output distribution of supercontinuum sources. However, the strive towards a breakthrough technology is hampered by the limited control over the intra- and intermodal nonlinear processes in the highly multi-modal silica fibers commonly used. Here, we investigate the ultrafast nonlinear dynamics of soliton-based supercontinuum generation and the associated mode coupling within the first three lowest-order modes of accurately dispersion-engineered liquid-core fibers. By measuring the energy-spectral evolutions and the spatial distributions of the various generated spectral features polarization-resolved, soliton fission and dispersive wave formation are identified as the origins of the nonlinear broadening. Measured results are confirmed by nonlinear simulations taking advantage of the accurate modeling capabilities of the ideal step-index geometry of our liquid-core platform. While operating in the telecommunications domain, our study allows further advances in nonlinear switching in emerging higher-order mode fiber networks as well as novel insights into the sophisticated nonlinear dynamics and broadband light generation in pre-selected polarization states.
format	article
author	Ramona Scheibinger Niklas M. Lüpken Mario Chemnitz Kay Schaarschmidt Jens Kobelke Carsten Fallnich Markus A. Schmidt
author_facet	Ramona Scheibinger Niklas M. Lüpken Mario Chemnitz Kay Schaarschmidt Jens Kobelke Carsten Fallnich Markus A. Schmidt
author_sort	Ramona Scheibinger
title	Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers
title_short	Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers
title_full	Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers
title_fullStr	Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers
title_full_unstemmed	Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers
title_sort	higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/763214327e63486fb933df6c4d239ad6
work_keys_str_mv	AT ramonascheibinger higherordermodesupercontinuumgenerationindispersionengineeredliquidcorefibers AT niklasmlupken higherordermodesupercontinuumgenerationindispersionengineeredliquidcorefibers AT mariochemnitz higherordermodesupercontinuumgenerationindispersionengineeredliquidcorefibers AT kayschaarschmidt higherordermodesupercontinuumgenerationindispersionengineeredliquidcorefibers AT jenskobelke higherordermodesupercontinuumgenerationindispersionengineeredliquidcorefibers AT carstenfallnich higherordermodesupercontinuumgenerationindispersionengineeredliquidcorefibers AT markusaschmidt higherordermodesupercontinuumgenerationindispersionengineeredliquidcorefibers
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Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers

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