26 July 2011 Raman distributed fiber laser based in Rayleigh scattering feedback
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Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 80011R (2011) https://doi.org/10.1117/12.891898
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal
Abstract
In the present work, a simple scheme for a Raman distributed fiber laser is proposed. The lasing scheme is based in the combination of two random cavities which act as distributed mirrors when pumped by a single laser. The distributed mirrors are created as a consequence of Rayleigh scattering and double Rayleigh scattering formed in the dispersion compensating fiber as a result of the high Raman gain. The proposed distributed fiber laser presents stable operation at room temperature, showing a maximum variation of ~0.09dBm in a 30 minutes time window. The output spectrum of the distributed fiber laser presents a broadband bandwidth of 10nm with a 30dBm signal to noise ratio. This configuration allows suppression of the Rayleigh associated noise growth typical in Raman lasers, while using it as an active part of the laser cavity.
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A. M. R. Pinto, A. M. R. Pinto, M. Lopez-Amo, M. Lopez-Amo, } "Raman distributed fiber laser based in Rayleigh scattering feedback", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 80011R (26 July 2011); doi: 10.1117/12.891898; https://doi.org/10.1117/12.891898
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