Direct experimental measurement of single-mode and mode-hopping dynamics in frequency swept lasers

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dc.contributor.author Butler, Thomas P.
dc.contributor.author Goulding, David
dc.contributor.author Kelleher, Bryan
dc.contributor.author O'Shaughnessy, Ben
dc.contributor.author Slepneva, Svetlana
dc.contributor.author Hegarty, Stephen P.
dc.contributor.author Huyet, Guillaume
dc.date.accessioned 2018-06-15T11:47:18Z
dc.date.available 2018-06-15T11:47:18Z
dc.date.issued 2017
dc.identifier.citation Butler, T. P., Goulding, D., Kelleher, B., O’Shaughnessy, B., Slepneva, S., Hegarty, S. P. and Huyet, G. (2017) 'Direct experimental measurement of single-mode and mode-hopping dynamics in frequency swept lasers', Optics Express, 25(22), pp. 27464-27474. doi: 10.1364/OE.25.027464 en
dc.identifier.volume 25
dc.identifier.issued 22
dc.identifier.startpage 27464
dc.identifier.endpage 27474
dc.identifier.issn 1094-4087
dc.identifier.uri http://hdl.handle.net/10468/6351
dc.identifier.doi 10.1364/OE.25.027464
dc.description.abstract A time-resolved study is presented of the single-mode and mode-switching dynamics observed in swept source vertical cavity surfing emitting lasers and swept wavelength short external cavity lasers. A self-delayed interferometric technique is used to experimentally measure the phase and intensity of these frequency swept lasers, allowing direct examination of the modal dynamics. Visualisation of the instantaneous optical spectrum reveals mode-hop free single mode lasing in the case of the vertical cavity laser, with a tuning rate of 6.3 GHz/ns. More complex mode-switching behaviour occurs in the external cavity laser, with the mode-hopping dynamics found to be dominated by the deterministic movement of the spectral filter. Evidence of transient multi-mode operation and mode-pulling is also presented. (C) 2017 Optical Society of America en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Optical Society of America en
dc.relation.uri https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-25-22-27464&id=375878
dc.rights © 2018, Optical Society of America under the terms of the OSA Open Access Publishing Agreement en
dc.rights.uri https://www.osapublishing.org/library/license_v1.cfm#VOR-OA
dc.subject Optical coherence tomography en
dc.subject Semiconductor-lasers en
dc.subject Locked lasers en
dc.subject Source OCT en
dc.subject Feedback en
dc.subject Locking en
dc.title Direct experimental measurement of single-mode and mode-hopping dynamics in frequency swept lasers en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother David Goulding, Tyndall National Institute, University College Cork, Cork, Ireland. +353-21-490-3000 Email: david.goulding@tyndall.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Science Foundation Ireland
dc.contributor.funder FP7 People: Marie-Curie Actions
dc.description.status Peer reviewed
dc.identifier.journaltitle Optics Express en
dc.internal.IRISemailaddress david.goulding@tyndall.ie en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Principal Investigator Programme (PI)/11/PI/1152/IE/Frequency Combs Generated by Semiconductor Lasers for Metrology And Telecommunications/
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2276/IE/I-PIC Irish Photonic Integration Research Centre/
dc.relation.project info:eu-repo/grantAgreement/EC/FP7::SP3::PEOPLE/264687/EU/Postgraduate Research on Photonics as an Enabling Technology/PROPHET


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