High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes

Abstract We report on a detailed study of an amplified spontaneous emission source operated in a pulsed regime with particular attention paid to the influence of high-intensity chaotic temporal events on the generation of nonlinear processes. To this aim, we have developed a monolithic high-power fi...

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Autores principales:	Nicolas Valero, Denis Marion, Jerome Lhermite, Jean-Christophe Delagnes, William Renard, Romain Royon, Eric Cormier
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b422c9dd1d464757874fb71be6ddd804
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spelling	oai:doaj.org-article:b422c9dd1d464757874fb71be6ddd8042021-12-02T13:34:32ZHigh-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes10.1038/s41598-021-83443-22045-2322https://doaj.org/article/b422c9dd1d464757874fb71be6ddd8042021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83443-2https://doaj.org/toc/2045-2322Abstract We report on a detailed study of an amplified spontaneous emission source operated in a pulsed regime with particular attention paid to the influence of high-intensity chaotic temporal events on the generation of nonlinear processes. To this aim, we have developed a monolithic high-power fiber system delivering partially coherent pulses of adjustable coherence. We also have demonstrated a non-linear method to characterize the stochastic properties of the source mitigating the bandwidth limitation of linear techniques. Measured parameters of the source for various configurations are presented. An enhanced classical model has been established to reproduce the statistical properties of the source and predict the behaviour when exciting non-linear processes. Finally, a non-linear process (second harmonic generation) is investigated comparing the efficiency when the process is pumped by a pulsed beam with maximal and low coherence.Nicolas ValeroDenis MarionJerome LhermiteJean-Christophe DelagnesWilliam RenardRomain RoyonEric CormierNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nicolas Valero Denis Marion Jerome Lhermite Jean-Christophe Delagnes William Renard Romain Royon Eric Cormier High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes
description	Abstract We report on a detailed study of an amplified spontaneous emission source operated in a pulsed regime with particular attention paid to the influence of high-intensity chaotic temporal events on the generation of nonlinear processes. To this aim, we have developed a monolithic high-power fiber system delivering partially coherent pulses of adjustable coherence. We also have demonstrated a non-linear method to characterize the stochastic properties of the source mitigating the bandwidth limitation of linear techniques. Measured parameters of the source for various configurations are presented. An enhanced classical model has been established to reproduce the statistical properties of the source and predict the behaviour when exciting non-linear processes. Finally, a non-linear process (second harmonic generation) is investigated comparing the efficiency when the process is pumped by a pulsed beam with maximal and low coherence.
format	article
author	Nicolas Valero Denis Marion Jerome Lhermite Jean-Christophe Delagnes William Renard Romain Royon Eric Cormier
author_facet	Nicolas Valero Denis Marion Jerome Lhermite Jean-Christophe Delagnes William Renard Romain Royon Eric Cormier
author_sort	Nicolas Valero
title	High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes
title_short	High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes
title_full	High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes
title_fullStr	High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes
title_full_unstemmed	High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes
title_sort	high-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b422c9dd1d464757874fb71be6ddd804
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High-power amplified spontaneous emission pulses with tunable coherence for efficient non-linear processes

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