Preprint Article Version 1 This version is not peer-reviewed

Random Plasmonic Laser Based on Bismuth/Aluminum/Yttria/ Silver Co-Doped Silica Fiber with Microcavity Shaped Tip

Version 1 : Received: 5 October 2024 / Approved: 7 October 2024 / Online: 7 October 2024 (12:20:09 CEST)

How to cite: Fuente-León, J. A. D. L.; Martinez Gámez, M. A.; Lucio M., J. L.; Kir’yanov, A. V.; Hernández-Chahín, K. G.; Paul, M. C. Random Plasmonic Laser Based on Bismuth/Aluminum/Yttria/ Silver Co-Doped Silica Fiber with Microcavity Shaped Tip. Preprints 2024, 2024100458. https://doi.org/10.20944/preprints202410.0458.v1 Fuente-León, J. A. D. L.; Martinez Gámez, M. A.; Lucio M., J. L.; Kir’yanov, A. V.; Hernández-Chahín, K. G.; Paul, M. C. Random Plasmonic Laser Based on Bismuth/Aluminum/Yttria/ Silver Co-Doped Silica Fiber with Microcavity Shaped Tip. Preprints 2024, 2024100458. https://doi.org/10.20944/preprints202410.0458.v1

Abstract

In this study, we demonstrate a proof of principle of an all-fiber random laser due to the plasmonic effect. This was achieved in a fiber co-doped with Bismuth/Aluminum/Yttria/Silver in which a microsphere (microcavity) at the fiber’s tip was made using a splicing machine. The presence in the fiber of Bismuth- and silver nanoparticles along with Bismuth-Aluminum phototropic centers stands behind the observed phenomenon. The effect can be attributed to in-pair functioning of this unit as an active medium and volumetric plasmonic feedback, with the result being lasing at 807 nm under 532-nm pumping with notably low (~2 mW) threshold.

Keywords

random fiber laser; bismuth; nanoparticles; surface plasmon resonance

Subject

Physical Sciences, Optics and Photonics

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