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STEMS SIGNED

Spatiotemporal multimode complex optical systems

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EC-Contrib. €

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Partnership

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Project "STEMS" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA 

Organization address
address: Piazzale Aldo Moro 5
city: ROMA
postcode: 185
website: www.uniroma1.it

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Italy [IT]
 Total cost 2˙084˙180 €
 EC max contribution 2˙084˙180 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-ADG
 Funding Scheme ERC-ADG
 Starting year 2017
 Duration (year-month-day) from 2017-11-01   to  2022-10-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA IT (ROMA) coordinator 1˙513˙697.00
2    UNIVERSITA DEGLI STUDI DI BRESCIA IT (BRESCIA) participant 570˙483.00

Map

 Project objective

The STEMS project is about exploiting the new concept that has been recently introduced by the PI and his co-workers, namely the self-control of the spatial coherence of optical beams in multimode nonlinear optical fibers. This concept will enable a breakthrough technology, capable of delivering high-energy optical pulses with high-average powers and much higher beam quality from fiber lasers than what is possible today. High-power fiber lasers are largely limited by transverse mode instabilities, and the loss of spatial coherence in delivery fibers. Optical fibers provide the backbone of today’s internet communication networks, and enable compact, low cost light sources for a variety of industrial and biomedical applications. In most of these applications, single-mode fibers are used. Replacing single-mode fibers with multimode fibers leads to a dramatic growth of transmission capacity, and a substantial increase of average power and pulse energy from fiber lasers. However, because of spatial dispersion and resulting mode interference, multimode fibers suffer from an inherent randomization of the spatial transverse beam profile, leading to a loss of spatial coherence. My approach is to exploit the intensity dependent refractive index, or Kerr nonlinearity, of glass fibers to recover the spatial coherence of a multimode wave, and compensate for temporal modal dispersion. First, I propose to develop methods to control fiber nonlinearity, to compensate for temporal and spatial dispersion, thus preventing information spreading in the temporal domain, and coherence loss in the spatial domain. Second, by adding rare-earth dopants to multimode fibers, I will demonstrate self-control of modal dispersion and beam quality in active multimode fibers. Third, via the spatio-temporal control of beam propagation, I will introduce a new fast saturable absorber mechanism for the mode-locking of high-power fiber lasers, analogous to Kerr-lens mode-locking with bulk crystals.

 Publications

year authors and title journal last update
List of publications.
2018 F. Baronio, B. Frisquet, S. Chen, G. Millot, S. Wabnitz, B. Kibler
Observation of a group of dark rogue waves in a telecommunication optical fiber
published pages: , ISSN: 2469-9926, DOI: 10.1103/PhysRevA.97.013852
Physical Review A 97/1 2019-07-24
2018 T. Hansson, M. Bernard, S. Wabnitz
Modulational instability of nonlinear polarization mode coupling in microresonators
published pages: 835, ISSN: 0740-3224, DOI: 10.1364/JOSAB.35.000835
Journal of the Optical Society of America B 35/4 2019-07-24
2018 Katarzyna Krupa, Alessandro Tonello, Vincent Couderc, Alain Barthélémy, Guy Millot, Daniele Modotto, Stefan Wabnitz
Spatiotemporal light-beam compression from nonlinear mode coupling
published pages: , ISSN: 2469-9926, DOI: 10.1103/PhysRevA.97.043836
Physical Review A 97/4 2019-07-24
2018 R. Dupiol, K. Krupa, A. Tonello, M. Fabert, D. Modotto, S. Wabnitz, G. Millot, V. Couderc
Interplay of Kerr and Raman beam cleaning with a multimode microstructure fiber
published pages: 587, ISSN: 0146-9592, DOI: 10.1364/OL.43.000587
Optics Letters 43/3 2019-07-24
2018 Abdelkrim Bendahmane, Katarzyna Krupa, Alessandro Tonello, Daniele Modotto, Thibaut Sylvestre, Vincent Couderc, Stefan Wabnitz, Guy Millot
Seeded intermodal four-wave mixing in a highly multimode fiber
published pages: 295, ISSN: 0740-3224, DOI: 10.1364/JOSAB.35.000295
Journal of the Optical Society of America B 35/2 2019-07-24
2019 E. V. Podivilov, D. S. Kharenko, V. A. Gonta, K. Krupa, O. S. Sidelnikov, S. Turitsyn, M. P. Fedoruk, S. A. Babin, S. Wabnitz
Hydrodynamic 2D Turbulence and Spatial Beam Condensation in Multimode Optical Fibers
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.122.103902
Physical Review Letters 122/10 2019-07-24
2017 Shihua Chen, Yanlin Ye, Fabio Baronio, Yi Liu, Xian-Ming Cai, Philippe Grelu
Optical Peregrine rogue waves of self-induced transparency in a resonant erbium-doped fiber
published pages: 29687, ISSN: 1094-4087, DOI: 10.1364/OE.25.029687
Optics Express 25/24 2019-07-24
2019 Katarzyna Krupa, Graciela Garmendia Castañeda, Alessandro Tonello, Alioune Niang, Denis S. Kharenko, Marc Fabert, Vincent Couderc, Guy Millot, Umberto Minoni, Daniele Modotto, Stefan Wabnitz
Nonlinear polarization dynamics of Kerr beam self-cleaning in a graded-index multimode optical fiber
published pages: 171, ISSN: 0146-9592, DOI: 10.1364/ol.44.000171
Optics Letters 44/1 2019-07-24
2019 E. Deliancourt, M. Fabert, A. Tonello, K. Krupa, A. Desfarges-Berthelemot, V. Kermene, G. Millot, A. Barthélémy, S. Wabnitz, V. Couderc
Kerr beam self-cleaning on the LP11 mode in graded-index multimode fiber
published pages: , ISSN: 2578-7519, DOI:
OSA Continuum 2019-07-24

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