Towards population inversion of electrically pumped Er ions sensitized by Si nanoclusters

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RECERCAT Home > Universitat de Barcelona > Enginyeria Electrònica i Biomèdica > Articles publicats en revistes (Enginyeria Electrònica i Biomèdica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/15726

dc.contributor	Universitat de Barcelona
dc.contributor.author	Jambois, Olivier
dc.contributor.author	Gourbilleau, F.
dc.contributor.author	Kenyon, Anthony J.
dc.contributor.author	Montserrat i Martí, Josep
dc.contributor.author	Rizk, Richard
dc.contributor.author	Garrido Fernández, Blas
dc.date	2011-01-25T13:17:56Z
dc.date	2011-01-25T13:17:56Z
dc.date	2010-01-20
dc.identifier.citation	1094-4087
dc.identifier.citation	585172
dc.identifier.uri	http://hdl.handle.net/2445/15726
dc.format	6 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Optical Society of America
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1364/OE.18.002230
dc.relation	Optics Express, 2010, vol. 18, núm 3, pp. 2230-2235
dc.relation	http://dx.doi.org/10.1364/OE.18.002230
dc.relation	info:eu-repo/grantAgreement/EC/FP6/033574/EU//LANCER
dc.rights	(c) Optical Society of America, 2010
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Terres rares
dc.subject	Semiconductors
dc.subject	Propietats òptiques
dc.subject	Amplificadors (Electrònica)
dc.subject	Semiconductors
dc.subject	Optical properties
dc.subject	Amplifiers (Electronics)
dc.title	Towards population inversion of electrically pumped Er ions sensitized by Si nanoclusters
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.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.

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