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https://hdl.handle.net/2445/15726| Title: | Towards population inversion of electrically pumped Er ions sensitized by Si nanoclusters |
| Author: | Jambois, Olivier Gourbilleau, Fabrice Kenyon, Anthony J. Montserrat i Martí, Josep Rizk, Richard Garrido Fernández, Blas |
| Keywords: | Terres rares Semiconductors Propietats òptiques Amplificadors (Electrònica) Semiconductors Optical properties Amplifiers (Electronics) |
| Issue Date: | 20-Jan-2010 |
| Publisher: | Optical Society of America |
| Abstract: | This study reports the estimation of the inverted Er fraction in a system of Er doped silicon oxide sensitized by Si nanoclusters, made by magnetron sputtering. Electroluminescence was obtained from the sensitized erbium, with a power efficiency of 10¿2 %. By estimating the density of Er ions that are in the first excited state, we find that up to 20% of the total Er concentration is inverted in the best device, which is one order of magnitude higher than that achieved by optical pumping of similar materials. |
| Note: | Reproducció del document publicat a: http://dx.doi.org/10.1364/OE.18.002230 |
| It is part of: | Optics Express, 2010, vol. 18, núm 3, pp. 2230-2235 |
| URI: | https://hdl.handle.net/2445/15726 |
| Related resource: | http://dx.doi.org/10.1364/OE.18.002230 |
| ISSN: | 1094-4087 |
| Appears in Collections: | Articles publicats en revistes (Enginyeria Electrònica i Biomèdica) Publicacions de projectes de recerca finançats per la UE |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 585172.pdf | 487.5 kB | Adobe PDF | View/Open |
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