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@ARTICLE{Cirmi:434937,
      author       = {Cirmi, Giovanni and Cankaya, Huseyin and Krogen, Peter and
                      Calendron, Anne-Laure and Hua, Yi and Debord, Benoit and
                      Gérôme, Frédéric and Benabid, Fetah and Kärtner, Franz
                      X.},
      title        = {{N}ovel method for the angular chirp compensation of
                      passively {CEP}-stable few-cycle pulses},
      journal      = {Optics express},
      volume       = {28},
      number       = {3},
      issn         = {1094-4087},
      address      = {Washington, DC},
      publisher    = {Soc.},
      reportid     = {PUBDB-2020-00452},
      pages        = {3171 - 3178},
      year         = {2020},
      abstract     = {We demonstrate a novel, energy-efficient, cost-effective
                      simple method for seeding CEP-stable OPCPAs. We couple the
                      CEP-stable idler of a broadband OPCPA into a hollow core
                      Kagome fiber thus compensating for the angular chirp. We
                      obtain either relatively narrow bandwidths with $∼36\%$
                      coupling efficiency or quarter-octave spanning bandwidths
                      with $∼2.2\%$ coupling efficiency. We demonstrate spectral
                      compressibility, good beam quality and CEP stability. Our
                      source is an ideal seed for high-energy, high-average power,
                      CEP-stable few-cycle OPCPA pulses around 2 µm, which can
                      drive the generation of coherent soft X-ray radiation in the
                      water window spectral region via HHG.},
      cin          = {CFEL-UFOX / FS-CFEL-2},
      ddc          = {530},
      cid          = {I:(DE-H253)CFEL-UFOX-20160927 /
                      I:(DE-H253)FS-CFEL-2-20120731},
      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) / DFG project
                      390715994 - EXC 2056: CUI: Advanced Imaging of Matter
                      (390715994) / DFG project 194651731 - EXC 1074: Hamburger
                      Zentrum für ultraschnelle Beobachtung (CUI): Struktur,
                      Dynamik und Kontrolle von Materie auf atomarer Skala
                      (194651731)},
      pid          = {G:(DE-HGF)POF3-6211 / G:(EU-Grant)609920 /
                      G:(GEPRIS)390715994 / G:(GEPRIS)194651731},
      experiment   = {EXP:(DE-H253)CFEL-Exp-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32121990},
      UT           = {WOS:000514570800041},
      doi          = {10.1364/OE.384290},
      url          = {https://bib-pubdb1.desy.de/record/434937},
}