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BEAMLOCKER

Financiado

Beam self-cleaning for spatiotemporal mode-locked fiber lasers

Mode locking (ML) is the most important technique to generate ultrashort laser pulses. Tremendous progress has been made in locking longitudinal modes in lasers with a single transverse mode, e.g., single-mode fiber lasers. Spatio... ver más

31/05/2024

UNIROMA1

173K€

Presupuesto del proyecto: 173K€

Líder del proyecto

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-05-31

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

HORIZON-MSCA-2021-PF-01-01: MSCA Postdoctoral Fellowships 2021

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1 Participantes

UNIROMA1

172.75K€ | Lider

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Últimas noticias

29-11-2024: IDAE En las últimas 48 horas el Organismo IDAE ha otorgado 4 concesiones

29-11-2024: ECE En las últimas 48 horas el Organismo ECE ha otorgado 2 concesiones

29-11-2024: CMVAMADRID En las últimas 48 horas el Organismo CMVAMADRID ha otorgado 37 concesiones

Duración del proyecto: 24 meses Fecha Inicio: 2022-05-11
Fecha Fin: 2024-05-31

Líder del proyecto

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA

TRL 4-5

Presupuesto del proyecto 173K€

Descripción del proyecto Mode locking (ML) is the most important technique to generate ultrashort laser pulses. Tremendous progress has been made in locking longitudinal modes in lasers with a single transverse mode, e.g., single-mode fiber lasers. Spatiotemporal mode-locking (STML) has been proposed by locking transverse and longitudinal modes in multimode fiber (MMF) lasers to generate ultrafast spatiotemporal pulses, opening new directions in studies of nonlinear wave propagation. Thanks to fiber multimodality, such lasers generate pulses with higher power with respect to their single-mode counterpart. On the other hand, the irregular beating among transverse modes is detrimental to achieving high beam quality. This drawback can be overcome by Kerr beam self-cleaning in graded-index MMFs. As pulse power grows above a certain threshold, this process introduced by Kerr nonlinearity allows for an irreversible transfer of power from the high order modes into the fundamental mode, leading to a stable and robust bell-shaped output transverse profile. In this framework, the BEAMLOCKER project aims at studying the dynamics of STML MMF lasers with high-quality output beams by appropriate modeling. The models will be established starting from preliminary experimental studies, and they will be studied by analytical methods, direct numerical simulations, and numerical continuation and bifurcation methods. In addition, the noise behavior of STML lasers will be investigated in detail, with a particular focus on the beam self-cleaning regimes. The project results will stimulate further theoretical analysis and experiments on complex interactions in nonlinear multimode fiber systems. Furthermore, understanding the complex properties of STML MMF lasers will shed new light on frontier physical phenomena, such as spatiotemporal rogue waves generation and turbulence, which find applications in several fields, ranging from telecommunication to biomedicine.

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