Ytterbium doped Y2O3 nanoparticle silica optical fibers for high power fiber lasers with suppressed photodarkening


Yoo, S., Kalita, M.P., Boyland, A.J., Webb, A.S., Standish, R.J., Sahu, J.K., Paul, M.C., Das, S., Bhadra, S.K. and Pal, M. (2010) Ytterbium doped Y2O3 nanoparticle silica optical fibers for high power fiber lasers with suppressed photodarkening. Optics Communications, 283, (18), 3423-3427. (doi:10.1016/j.optcom.2010.04.093).

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Description/Abstract

We report efficient laser demonstration and spectroscopic characteristics of a Yb-doped Y2O3 (or Y3Al5O12) nanoparticle silica fiber developed by conventional fiber fabrication technique. The spectroscopy study evidences modification in the environment of Yb ions by the Y2O3 nanoparticles. As a result, photodarkening induced loss is reduced by 20 times relative to Yb-doped aluminosilicate fibers. The fiber is suitable for power scaling with good laser slope efficiency of 79%.

Item Type: Article
ISSNs: 0030-4018 (print)
1873-0310 (electronic)
Related URLs:
Keywords: optical fiber, fiber laser, fiber material, laser material, fiber fabrication, fiber characterization
Subjects: H Social Sciences > HE Transportation and Communications
Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 178625
Date Deposited: 25 Mar 2011 09:49
Last Modified: 27 Mar 2014 19:30
URI: http://eprints.soton.ac.uk/id/eprint/178625

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