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@ARTICLE{Hemmer:402724,
      author       = {Hemmer, Michael and Cirmi, G. and Ravi, K. and Reichert,
                      Fabian and Ahr, Frederike and Zapata, L. and Mücke, O. D.
                      and Calendron, A.-L. and Cankaya, Huseyin and Barre, Damian
                      and Matlis, Nicholas and Kärtner, F. X.},
      title        = {{C}ascaded {I}nteractions {M}ediated by terahertz
                      radiation},
      journal      = {Optics express},
      volume       = {26},
      number       = {10},
      issn         = {1094-4087},
      address      = {Washington, DC},
      publisher    = {OSA},
      reportid     = {PUBDB-2018-01885},
      pages        = {12536 - 12546},
      year         = {2018},
      abstract     = {We investigate a regime of parametric amplification in
                      which the pump and signal waves are spectrally separated by
                      only a few hundreds of GHz frequency – therefore resulting
                      in a sub-THz frequency idler wave. Operating in this regime
                      we find an optical parametric amplifier (OPA) behavior which
                      is highly dissimilar to conventional OPAs. In this regime,
                      we observe multiple three-wave mixing processes occurring
                      simultaneously which results in spectral cascading around
                      the pump and signal wave. Via numerical simulations, we
                      elucidate the processes at work and show that cascaded
                      optical parametric amplification offers a pathway toward
                      THz-wave generation beyond the Manly-Rowe limit and toward
                      the generation of high-energy, sparse frequency-combs.},
      cin          = {FS-CFEL-2 / CFEL-UFOX},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-CFEL-2-20120731 /
                      I:(DE-H253)CFEL-UFOX-20160927},
      pnm          = {6211 - Extreme States of Matter: From Cold Ions to Hot
                      Plasmas (POF3-621) / AXSIS - Frontiers in Attosecond X-ray
                      Science: Imaging and Spectroscopy (609920) / CUI - Hamburger
                      Zentrum für ultraschnelle Beobachtung (194651731)},
      pid          = {G:(DE-HGF)POF3-6211 / G:(EU-Grant)609920 /
                      G:(GEPRIS)194651731},
      experiment   = {EXP:(DE-H253)CFEL-Exp-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29801292},
      UT           = {WOS:000432457600039},
      doi          = {10.1364/OE.26.012536},
      url          = {https://bib-pubdb1.desy.de/record/402724},
}