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dc.contributor.authorSchimpf, Christian
dc.contributor.authorReindl, Marcus
dc.contributor.authorKlenovský, Petr
dc.contributor.authorFromherz, Thomas
dc.contributor.authorCovre Da Silva, Saimon F.
dc.contributor.authorHofer, Julian
dc.contributor.authorSchneider, Christian
dc.contributor.authorHöfling, Sven
dc.contributor.authorTrotta, Rinaldo
dc.contributor.authorRastelli, Armando
dc.date.accessioned2019-12-16T16:30:02Z
dc.date.available2019-12-16T16:30:02Z
dc.date.issued2019-11-18
dc.identifier264471658
dc.identifier8ebb1bdb-e4ee-45d0-94dc-1a2a5bbc227d
dc.identifier85075777509
dc.identifier000603035500064
dc.identifier.citationSchimpf , C , Reindl , M , Klenovský , P , Fromherz , T , Covre Da Silva , S F , Hofer , J , Schneider , C , Höfling , S , Trotta , R & Rastelli , A 2019 , ' Resolving the temporal evolution of line broadening in single quantum emitters ' , Optics Express , vol. 27 , no. 24 , pp. 35290-35307 . https://doi.org/10.1364/OE.27.035290en
dc.identifier.issn1094-4087
dc.identifier.otherRIS: urn:AA4DD0A42F433E8D847042C76C1B4BC4
dc.identifier.urihttps://hdl.handle.net/10023/19139
dc.descriptionFunding: H2020 European Research Council (679183); Austrian Science Fund (P29603); Seventh Framework Programme (601126); Central European Institute of Technology (7AMB17AT044); Horizon 2020 Framework Programme (731473); European Metrology Programme for Innovation and Research (17FUN06); Bundesministerium für Wissenschaft, Forschung und Wirtschaft (CZ 07 / 2017); Ministerstvo Školství, Mládeže a Telovýchovy; QuantERA (Hyper-U-P-S); QuantERA (CUSPIDOR); Linz Institute of Technology (LIT); LIT Secure and Correct Systems Lab; Bayerisches Staatsministerium für Bildung und Kultus, Wissenschaft und Kunst; Deutsche Forschungsgemeinschaft (SCHN1376 5.1).en
dc.description.abstractLight emission from solid-state quantum emitters is inherently prone to environmental decoherence, which results in a line broadening and in the deterioration of photon indistinguishability. Here we employ photon correlation Fourier spectroscopy (PCFS) to study the temporal evolution of such a broadening in two prominent systems: GaAs and In(Ga)As quantum dots. Differently from previous experiments, the emitters are driven with short laser pulses as required for the generation of high-purity single photons, the time scales we probe range from a few nanoseconds to milliseconds and, simultaneously, the spectral resolution we achieve can be as small as ∼ 2µeV. We find pronounced differences in the temporal evolution of different optical transition lines, which we attribute to differences in their homogeneous linewidth and sensitivity to charge noise. We analyze the effect of irradiation with additional white light, which reduces blinking at the cost of enhanced charge noise. Due to its robustness against experimental imperfections and its high temporal resolution and bandwidth, PCFS outperforms established spectroscopy techniques, such as Michelson interferometry. We discuss its practical implementation and the possibility to use it to estimate the indistinguishability of consecutively emitted single photons for applications in quantum communication and photonic-based quantum information processing.
dc.format.extent18
dc.format.extent1078476
dc.language.isoeng
dc.relation.ispartofOptics Expressen
dc.subjectDiscrete Fourier transformsen
dc.subjectPhoton correlationsen
dc.subjectSingle photon detectorsen
dc.subjectSpectral propertiesen
dc.subjectSpontaneous emissionen
dc.subjectWhite lighten
dc.subjectQC Physicsen
dc.subjectNDASen
dc.subject.lccQCen
dc.titleResolving the temporal evolution of line broadening in single quantum emittersen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.identifier.doi10.1364/OE.27.035290
dc.description.statusPeer revieweden


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