Optical bistability in Er-Yb co-doped phosphate glass microspheres at room temperature

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dc.contributor.author Ward, Jonathan M.
dc.contributor.author O'Shea, Danny G.
dc.contributor.author Shortt, Brian J.
dc.contributor.author Nic Chormaic, Síle
dc.date.accessioned 2011-02-28T13:44:46Z
dc.date.available 2011-02-28T13:44:46Z
dc.date.issued 2007-07-20
dc.identifier.citation Ward, J.M., O'Shea, D.G., Shortt, B.J., Nic Chormaic, S., 2007. Optical bistability in Er-Yb co-doped phosphate glass microspheres at room temperature. Journal of Applied Physics, 102(2), pp.023104-1 - 023104-7 en
dc.identifier.volume 102 en
dc.identifier.issued 3 en
dc.identifier.startpage 023104-1 en
dc.identifier.endpage 023104-7 en
dc.identifier.issn 0021-8979
dc.identifier.issn 1089-7550
dc.identifier.uri http://hdl.handle.net/10468/234
dc.identifier.doi 10.1063/1.2753591
dc.description.abstract We experimentally demonstrate optical bistability in Er3+-Yb3+ phosphate glass microspheres at 295 K. Bistability is associated with both Er3+ fluorescence and lasing behavior, and chromatic switching. The chromatic switching results from an intrinsic mechanism exploiting the thermal coupling of closely spaced energy levels, and occurs simultaneously with the intensity switching. A contrast ratio of 2.8 has been obtained for chromatic switching. The intensity switching shows ratios of 21 for 520 nm and 11 for 660 nm fluorescence emissions, and 11 for IR lasing at 1.5 μm. Concurrent with these observations, we investigate a temperature-dependent absorption of pump power, which exhibits bistable behavior. The influences of the host matrix on lasing and fluorescence mechanisms are highlighted. en
dc.description.sponsorship Science Foundation Ireland (Grant No. 02/IN1/128); IRCSET (Embark Initiative RS/2005/156) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Institute of Physics en
dc.relation.uri http://link.aip.org/link/doi/10.1063/1.2753591
dc.rights © 2007, American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Ward, J.M., O'Shea, D.G., Shortt, B.J., Nic Chormaic, S., 2007. Optical bistability in Er-Yb co-doped phosphate glass microspheres at room temperature. Journal of Applied Physics, 102(2), pp.023104-1 - 023104-7 and may be found at http://link.aip.org/link/doi/10.1063/1.2753591 en
dc.rights.uri http://jap.aip.org/about/rights_and_permissions en
dc.subject Optical switches en
dc.subject Phosphate glasses en
dc.subject.lcsh Optical bistability en
dc.subject.lcsh Fluorescence en
dc.subject.lcsh Erbium en
dc.subject.lcsh Ytterbium en
dc.title Optical bistability in Er-Yb co-doped phosphate glass microspheres at room temperature en
dc.type Article (peer-reviewed) en
dc.internal.authorurl http://publish.ucc.ie/researchprofiles/D006/snicchormaic/ en
dc.internal.authorurl http://www.tyndall.ie/research/quantum-optics-group/jonathan_ward.html en
dc.internal.authorcontactother Síle Nic Chormaic, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: s.nicchormaic@ucc.ie en
dc.internal.authorcontactother Jonathan M. Ward, Photonics Centre, Tyndall National Institute, Prospect Row, Cork, Ireland. +353-21-490-4864 Email: jonathan.ward@tyndall.ie en
dc.internal.availability Full text available en
dc.date.updated 2010-10-12T10:30:19Z
dc.description.version Published Version en
dc.internal.rssid 22401715
dc.contributor.funder Science Foundation Ireland en
dc.contributor.funder Irish Research Council for Science Engineering and Technology en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Journal of Applied Physics en
dc.internal.copyrightchecked RoMEO en
dc.internal.IRISemailaddress s.nicchormaic@ucc.ie en


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