Description du projet
Une méthode innovante pour régler le spectre de sortie laser
Les sources laser hautement efficaces sont essentielles pour les systèmes d’interrogation de capteurs à fibre optique. Dans les grands systèmes de surveillance, différents capteurs à fibre optique sont multiplexés dans le même réseau optique. Financé par le programme Actions Marie Skłodowska-Curie, le projet ReSOLeS travaille au développement d’une nouvelle source laser à fibre optique reconfigurable qui repose sur un retour aléatoire distribué. Ce mécanisme de rétroaction permettra aux chercheurs de contrôler les fréquences émises. Les méthodes actuelles utilisent la cavité pour filtrer le spectre émis par le laser; ce projet propose une approche innovante qui utilise un signal modulant pour contrôler le spectre de sortie. La nouvelle approche devrait permettre une flexibilité spectrale et une reconfigurabilité plus élevées.
Objectif
Optical lasers are extraordinary light sources that have revolutionized human lives. These are crucial for optical fibre sensor (OFS) interrogation systems. Thus, the characteristics of each source are strongly connected to its sensor system. In large monitoring systems, different OFS are multiplexed in the same optical network. Hence, it exists an increasing necessity of new and special light sources for the new networking requirements. The project aims to develop a revolutionary laser system for high performance remote multiplexing sensor networks for Sustainable Development and Smart Cities applications. The project “ReSOLeS” mainly focus on the research and development of a novel reconfigurable spectrum optical fiber laser source. It is based on the random distributed feedback (RDFB) effect. The modeless characteristic of RDFB lasers allows controlling the emitted frequencies by the internal modulation of the distributed laser cavity, which the applicant first demonstrated. To date, laser spectrum were modified only by filtering the cavity. In this project, we propose an innovative approach that uses a modulating signal to control the output spectrum. This enable higher spectral flexibility and reconfigurability speed than the traditional filtered laser cavities. To make it possible, first, we will develop a model of the system and that will be implemented by software. Next, the system will be experimentally demonstrated and two system enhancements will be tested. Finally, it will be validated in high performance optical fiber sensor networks for Smart Cities applications. This interdisciplinary project will combine the fellow’s expertise in RDFB lasers with the world-leading expertise of the host’s Smart Cities Institute in fiber lasers, OFSs and Smart Cities. In addition, “ReSOLeS” will benefit from the host’s well-established partnerships in academia and industry, and from the training and mentoring opportunities for the fellow's career development.
Champ scientifique
- engineering and technologycivil engineeringurban engineeringsmart cities
- engineering and technologymaterials engineeringfibers
- engineering and technologyelectrical engineering, electronic engineering, information engineeringelectronic engineeringsensorssmart sensors
- natural sciencesphysical sciencesopticsfibre optics
- natural sciencesphysical sciencesopticslaser physics
Mots‑clés
Programme(s)
Régime de financement
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)Coordinateur
31006 Pamplona
Espagne