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dc.contributor.authorPupeza, I.
dc.contributor.authorSánchez, D.
dc.contributor.authorZhang, J.
dc.contributor.authorLilienfein, N.
dc.contributor.authorSeidel, M.
dc.contributor.authorKarpowicz, N.
dc.contributor.authorPaasch-Colberg, T.
dc.contributor.authorZnakovskaya, I.
dc.contributor.authorPescher, M.
dc.contributor.authorSchweinberger, W.
dc.contributor.authorPervak, V.
dc.contributor.authorFill, E.
dc.contributor.authorPronin, O.
dc.contributor.authorWei, Z.
dc.contributor.authorKrausz, F.
dc.contributor.authorApolonski, A.
dc.contributor.authorBiegert, Jens
dc.contributor.otherUniversitat Politècnica de Catalunya. Institut de Ciències Fotòniques
dc.description.abstractPowerful coherent light with a spectrum spanning the mid-infrared (MIR) spectral range is crucial for a number of applications in natural as well as life sciences, but so far has only been available from large-scale synchrotron sources1. Here we present a compact apparatus that generates pulses with a sub-two-cycle duration and with an average power of 0.1 W and a spectral coverage of 6.8–16.4 μm (at −30 dB). The demonstrated source combines, for the first time in this spectral region, a high power, a high repetition rate and phase coherence. The MIR pulses emerge via difference-frequency generation (DFG) driven by the nonlinearly compressed pulses of a Kerr-lens mode-locked ytterbium-doped yttrium–aluminium–garnet (Yb:YAG) thin-disc oscillator. The resultant 100 MHz MIR pulse train is hundreds to thousands of times more powerful than state-of-the-art frequency combs that emit in this range2, 3, 4, and offers a high dynamic range for spectroscopy in the molecular fingerprint region4, 5, 6, 7 and an ideal prerequisite for hyperspectral imaging8 as well as for the time-domain coherent control of vibrational dynamics
dc.publisherNature Publishing Group
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.subjectÀrees temàtiques de la UPC::Física
dc.subject.lcshInfrared radiation
dc.subject.othermid-infrared pulses
dc.titleHigh-power sub-two-cycle mid-infrared pulses at 100 MHz repetition rate
dc.subject.lemacRadiació infraroja
dc.description.peerreviewedPeer Reviewed
dc.rights.accessRestricted access - publisher's policy
dc.description.versionPostprint (published version)
local.citation.publicationNameNature Photonics

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