Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons

Abstract Dissipative solitons generated in normal-dispersion mode-locked lasers are stable localized coherent structures with a mostly linear frequency modulation (chirp). The soliton energy in fiber lasers is limited by the Raman effect, but implementation of the intracavity feedback at the Stokes-...

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Autores principales:	Evgeniy V. Podivilov, Denis S. Kharenko, Anastasia E. Bednyakova, Mikhail P. Fedoruk, Sergey A. Babin
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/495b1da71b924e529f218a72aad41dd8
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spelling	oai:doaj.org-article:495b1da71b924e529f218a72aad41dd82021-12-02T16:06:22ZSpectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons10.1038/s41598-017-03092-22045-2322https://doaj.org/article/495b1da71b924e529f218a72aad41dd82017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03092-2https://doaj.org/toc/2045-2322Abstract Dissipative solitons generated in normal-dispersion mode-locked lasers are stable localized coherent structures with a mostly linear frequency modulation (chirp). The soliton energy in fiber lasers is limited by the Raman effect, but implementation of the intracavity feedback at the Stokes-shifted wavelength enables synchronous generation of a coherent Raman dissipative soliton. Here we demonstrate a new approach for generating chirped pulses at new wavelengths by mixing in a highly-nonlinear fiber of these two frequency-shifted dissipative solitons, as well as cascaded generation of their clones forming in the spectral domain a comb of highly chirped pulses. We observed up to eight equidistant components in the interval of more than 300 nm, which demonstrate compressibility from ~10 ps to ~300 fs. This approach, being different from traditional frequency combs, can inspire new developments in fundamental science and applications such as few-cycle/arbitrary-waveform pulse synthesis, comb spectroscopy, coherent communications and bio-imaging.Evgeniy V. PodivilovDenis S. KharenkoAnastasia E. BednyakovaMikhail P. FedorukSergey A. BabinNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Evgeniy V. Podivilov Denis S. Kharenko Anastasia E. Bednyakova Mikhail P. Fedoruk Sergey A. Babin Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons
description	Abstract Dissipative solitons generated in normal-dispersion mode-locked lasers are stable localized coherent structures with a mostly linear frequency modulation (chirp). The soliton energy in fiber lasers is limited by the Raman effect, but implementation of the intracavity feedback at the Stokes-shifted wavelength enables synchronous generation of a coherent Raman dissipative soliton. Here we demonstrate a new approach for generating chirped pulses at new wavelengths by mixing in a highly-nonlinear fiber of these two frequency-shifted dissipative solitons, as well as cascaded generation of their clones forming in the spectral domain a comb of highly chirped pulses. We observed up to eight equidistant components in the interval of more than 300 nm, which demonstrate compressibility from ~10 ps to ~300 fs. This approach, being different from traditional frequency combs, can inspire new developments in fundamental science and applications such as few-cycle/arbitrary-waveform pulse synthesis, comb spectroscopy, coherent communications and bio-imaging.
format	article
author	Evgeniy V. Podivilov Denis S. Kharenko Anastasia E. Bednyakova Mikhail P. Fedoruk Sergey A. Babin
author_facet	Evgeniy V. Podivilov Denis S. Kharenko Anastasia E. Bednyakova Mikhail P. Fedoruk Sergey A. Babin
author_sort	Evgeniy V. Podivilov
title	Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons
title_short	Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons
title_full	Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons
title_fullStr	Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons
title_full_unstemmed	Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons
title_sort	spectral comb of highly chirped pulses generated via cascaded fwm of two frequency-shifted dissipative solitons
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/495b1da71b924e529f218a72aad41dd8
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Spectral comb of highly chirped pulses generated via cascaded FWM of two frequency-shifted dissipative solitons

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