Thermo-optical tuning of whispering-gallery modes in Er:Yb co-doped phosphate glass microspheres

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dc.contributor.author Ward, Jonathan M.
dc.contributor.author Nic Chormaic, Síle
dc.date.accessioned 2011-06-07T14:16:19Z
dc.date.available 2011-06-07T14:16:19Z
dc.date.issued 2010-08-07
dc.identifier.citation WARD, J. M. & NIC CHORMAIC, S. 2010. Thermo-optical tuning of whispering gallery modes in Er:Yb co-doped phosphate glass microspheres. Applied Physics B: Lasers and Optics, 100(4), 847-850. DOI: 10.1007/s00340-010-4153-0 en
dc.identifier.volume 100 en
dc.identifier.issued 4 en
dc.identifier.startpage 847 en
dc.identifier.endpage 850 en
dc.identifier.issn 0946-2171
dc.identifier.issn 1432-0649
dc.identifier.uri http://hdl.handle.net/10468/325
dc.identifier.doi 10.1007/s00340-010-4153-0
dc.description.abstract We demonstrate an all-optical, thermally assisted technique for broad-range tuning of whispering gallery modes in microsphere resonators fabricated from an Er:Yb co-doped phosphate glass (IOG-2). The microspheres are pumped at 978 nm and the heat generated by absorption of the pump expands the cavity, thereby altering the cavity size and refractive index. We demonstrate a significant nonlinear tuning range of greater than 700 GHz of both C- and L-band cavity emissions via pumping through a tapered optical fibre. Finally, we show that large linear tuning up to ∼488 GHz is achievable if the microsphere is alternatively heated by coupling laser light into its support stem. en
dc.description.sponsorship Science Foundation Ireland (07/RFP/PHYF518); Science Foundation Ireland (07/RFP/PHYF518s2) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Springer en
dc.relation.uri http://www.springerlink.com/content/bm72454568551611/
dc.rights © Springer-Verlag 2010. The final publication is available at www.springerlink.com. en
dc.subject Microcavity and microdisk lasers en
dc.subject Mode locking en
dc.subject Whispering gallery modes en
dc.subject.lcsh Microspheres en
dc.title Thermo-optical tuning of whispering-gallery modes in Er:Yb co-doped phosphate glass microspheres en
dc.type Article (peer-reviewed) en
dc.internal.authorurl http://www.tyndall.ie/research/quantum-optics-group/jonathan_ward.html en
dc.internal.authorurl http://publish.ucc.ie/researchprofiles/D006/snicchormaic 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.authorcontactother Síle Nic Chormaic, Physics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: s.nicchormaic@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2010-10-12T09:52:39Z
dc.description.version Accepted Version en
dc.internal.rssid 39297444
dc.contributor.funder Science Foundation Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Applied Physics B: Lasers and Optics en
dc.internal.copyrightchecked RoMEO. http://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0 en
dc.internal.IRISemailaddress jonathan.ward@tyndall.ie en


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