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Article: Enhanced supercontinuum generation in the normal dispersion pumping regime by seeded dispersive wave emission and stimulated Raman scattering

TitleEnhanced supercontinuum generation in the normal dispersion pumping regime by seeded dispersive wave emission and stimulated Raman scattering
Authors
KeywordsSupercontinuum generation
Normal dispersion pumping
Minute continuous-wave seeding
Dispersive wave
Stimulated Raman scattering
Issue Date2014
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/optcom
Citation
Optics Communications, 2014, v. 325, p. 28-34 How to Cite?
AbstractWe numerically investigate the active enhancement of the seeded-supercontinuum (SC) generation pumped in the normal dispersion regime. When the minute seed (100,000 weaker than the pump peak power) spectrally coincides with the Raman gain peak of the pump, the SC bandwidth can be drastically enhanced to more than one octave, even when the pump is far away from zero dispersion wavelength (ZDW) (100 nm) in the normal dispersion regime. In such a relatively “deep” normal dispersion pumping scenario, a phase-matched parametric process plays a negligible role in spectral broadening. Instead, we observe that initial spectral broadening is not only greatly accelerated by the seed through the cascaded stimulated Raman scattering (SRS). More importantly, the seed also promotes shock-wave-induced wave breaking, which induces dispersive wave emission in the anomalous dispersion regime. This effect together with the seeded higher-order SRS cascades efficiently trigger the subsequent soliton fission – resulting in an ultrabroadband SC. We anticipate that this new seeding mechanism could open up opportunities to expand the scope of active seeding mechanism for enhancing SC generation to the normal dispersion regime. © 2014 Elsevier B.V.
DescriptionSession - Nonlinear optics
Persistent Identifierhttp://hdl.handle.net/10722/202832
ISSN
2015 Impact Factor: 1.48
2015 SCImago Journal Rankings: 0.778

 

DC FieldValueLanguage
dc.contributor.authorQiu, Yen_US
dc.contributor.authorXu, Yen_US
dc.contributor.authorWong, KKYen_US
dc.contributor.authorTsia, KKMen_US
dc.date.accessioned2014-09-19T10:08:10Z-
dc.date.available2014-09-19T10:08:10Z-
dc.date.issued2014en_US
dc.identifier.citationOptics Communications, 2014, v. 325, p. 28-34en_US
dc.identifier.issn0030-4018-
dc.identifier.urihttp://hdl.handle.net/10722/202832-
dc.descriptionSession - Nonlinear optics-
dc.description.abstractWe numerically investigate the active enhancement of the seeded-supercontinuum (SC) generation pumped in the normal dispersion regime. When the minute seed (100,000 weaker than the pump peak power) spectrally coincides with the Raman gain peak of the pump, the SC bandwidth can be drastically enhanced to more than one octave, even when the pump is far away from zero dispersion wavelength (ZDW) (100 nm) in the normal dispersion regime. In such a relatively “deep” normal dispersion pumping scenario, a phase-matched parametric process plays a negligible role in spectral broadening. Instead, we observe that initial spectral broadening is not only greatly accelerated by the seed through the cascaded stimulated Raman scattering (SRS). More importantly, the seed also promotes shock-wave-induced wave breaking, which induces dispersive wave emission in the anomalous dispersion regime. This effect together with the seeded higher-order SRS cascades efficiently trigger the subsequent soliton fission – resulting in an ultrabroadband SC. We anticipate that this new seeding mechanism could open up opportunities to expand the scope of active seeding mechanism for enhancing SC generation to the normal dispersion regime. © 2014 Elsevier B.V.-
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/optcom-
dc.relation.ispartofOptics Communicationsen_US
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in [Journal title]. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in PUBLICATION, [VOL#, ISSUE#, (DATE)] DOI#-
dc.subjectSupercontinuum generation-
dc.subjectNormal dispersion pumping-
dc.subjectMinute continuous-wave seeding-
dc.subjectDispersive wave-
dc.subjectStimulated Raman scattering-
dc.titleEnhanced supercontinuum generation in the normal dispersion pumping regime by seeded dispersive wave emission and stimulated Raman scatteringen_US
dc.typeArticleen_US
dc.identifier.emailXu, Y: yxu079@hku.hken_US
dc.identifier.emailWong, KKY: kywong04@hkucc.hku.hken_US
dc.identifier.emailTsia, KKM: tsia@hku.hken_US
dc.identifier.authorityWong, KKY=rp00189en_US
dc.identifier.authorityTsia, KKM=rp01389en_US
dc.identifier.doi10.1016/j.optcom.2014.03.082-
dc.identifier.hkuros236197en_US
dc.identifier.volume325en_US
dc.identifier.spage28en_US
dc.identifier.epage34en_US
dc.publisher.placeNetherlands-
dc.customcontrol.immutablesml 141208-

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