Femtosecond pulse generation in passively mode locked InAs quantum dot lasers

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dc.contributor.authorFinch, Patrick
dc.contributor.authorBlood, P.
dc.contributor.authorSmowton, P. M.
dc.contributor.authorSobiesierski, A.
dc.contributor.authorGwilliam, R. M.
dc.contributor.authorO'Driscoll, Ian
dc.contributor.funderScience Foundation Ireland
dc.contributor.funderEngineering and Physical Sciences Research Council
dc.date.accessioned2017-07-25T14:16:24Z
dc.date.available2017-07-25T14:16:24Z
dc.date.issued2013
dc.description.abstractOptical pulse durations of an InAs two-section passively mode-locked quantum dot laser with a proton bombarded absorber section reduce from 8.4 ps at 250K to 290 fs at 20 K, a factor of 29, with a corresponding increase in optical bandwidth. Rate equation analysis of gain and emission spectra using rate equations suggests this is due to the very low emission rate of carriers to the wetting layer in the low temperature, random population regime which enables dots across the whole inhomogeneous distribution to act as independent oscillators. (C) 2013 AIP Publishing LLC.en
dc.description.sponsorshipScience Foundation Ireland (SFI) (11/SIRG/I2131); Engineering Physical Sciences Research Councils (EPSRC) (EP/F006683)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid131109
dc.identifier.citationFinch, P., Blood, P., Smowton, P. M., Sobiesierski, A., Gwilliam, R. M. and O'Driscoll, I. (2013) 'Femtosecond pulse generation in passively mode locked InAs quantum dot lasers', Applied Physics Letters, 103(13), pp. 131109. doi: 10.1063/1.4822433en
dc.identifier.doi10.1063/1.4822433
dc.identifier.endpage3
dc.identifier.issn0003-6951
dc.identifier.issn1077-3118
dc.identifier.issued13
dc.identifier.journaltitleApplied Physics Lettersen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4266
dc.identifier.volume103
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.urihttp://aip.scitation.org/doi/abs/10.1063/1.4822433
dc.rights© 2013 AIP Publishing LLC..This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Finch, P., Blood, P., Smowton, P. M., Sobiesierski, A., Gwilliam, R. M. and O'Driscoll, I. (2013) 'Femtosecond pulse generation in passively mode locked InAs quantum dot lasers', Applied Physics Letters, 103(13), pp. 131109 and may be found at http://aip.scitation.org/doi/abs/10.1063/1.4822433en
dc.subjectRandom-populationen
dc.subjectGainen
dc.subjectTemperatureen
dc.subjectTechnologyen
dc.subjectSystemsen
dc.subjectWettingen
dc.subjectEmission spectraen
dc.subjectGround statesen
dc.subjectOptical pulse generationen
dc.subjectQuantum dot lasersen
dc.titleFemtosecond pulse generation in passively mode locked InAs quantum dot lasersen
dc.typeArticle (peer-reviewed)en
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