Random laser in a fiber: combined effects of guiding and scattering lead to a reduction of the emission threshold

Charlotte Hurot; Wan Zakiah Wan Ismail; Judith Dawes

doi:10.1515/odps-2017-0012

Random laser in a fiber: combined effects of guiding and scattering lead to a reduction of the emission threshold

Charlotte Hurot, Wan Zakiah Wan Ismail, Judith Dawes^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Random fiber lasers incorporate scattering particles with optical gain in a fiber geometry and offer potential for sensing and biophotonics applications. In this work, the combined effects of waveguiding and scattering in random fiber lasers were investigated. A dye solution with nanoparticles was inffltrated into the hollow core of the microstructured optical fibers and the fibers were side pumped by a frequency-doubled Nd:YAG laser. The resulting emission threshold was reduced in comparison with the bulk solution. We used a Matlab model to gain a better understanding of the competing feedback mechanisms involved.

Original language	English
Pages (from-to)	97-100
Number of pages	4
Journal	Optical Data Processing and Storage
Volume	3
Issue number	1
DOIs	https://doi.org/10.1515/odps-2017-0012
Publication status	Published - 2017

Keywords

Random laser
fiber laser
multiple scattering

Access to Document

10.1515/odps-2017-0012

Publisher version (open access)Final published version, 650 KBLicence: CC BY-NC-ND

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Cite this

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abstract = "Random fiber lasers incorporate scattering particles with optical gain in a fiber geometry and offer potential for sensing and biophotonics applications. In this work, the combined effects of waveguiding and scattering in random fiber lasers were investigated. A dye solution with nanoparticles was inffltrated into the hollow core of the microstructured optical fibers and the fibers were side pumped by a frequency-doubled Nd:YAG laser. The resulting emission threshold was reduced in comparison with the bulk solution. We used a Matlab model to gain a better understanding of the competing feedback mechanisms involved.",

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AB - Random fiber lasers incorporate scattering particles with optical gain in a fiber geometry and offer potential for sensing and biophotonics applications. In this work, the combined effects of waveguiding and scattering in random fiber lasers were investigated. A dye solution with nanoparticles was inffltrated into the hollow core of the microstructured optical fibers and the fibers were side pumped by a frequency-doubled Nd:YAG laser. The resulting emission threshold was reduced in comparison with the bulk solution. We used a Matlab model to gain a better understanding of the competing feedback mechanisms involved.

KW - Random laser

KW - fiber laser

KW - multiple scattering

U2 - 10.1515/odps-2017-0012

DO - 10.1515/odps-2017-0012

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