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      Sub-50 fs Yb-doped laser with anomalous-dispersion photonic crystal fiber

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      Author
      Zhang, Z.
      Şenel, Ç.
      Hamid, R.
      Ilday, F. Ö.
      Date
      2013
      Source Title
      Optics Letters
      Print ISSN
      0146-9592
      Publisher
      Optical Society of America
      Volume
      38
      Issue
      6
      Pages
      956 - 958
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      We report on the generation of 42 fs pulses at 1 μm in a completely fiber-integrated format, which are, to the best of our knowledge, the shortest from all-fiber-integrated Yb-doped fiber lasers to date. The ring fiber cavity incorporates anomalous-dispersion, solid-core photonic crystal fiber with low birefringence, which acts as a broadband, in-fiber Lyot filter to facilitate mode locking. The oscillator operates in the stretched-pulse regime under slight normal net cavity dispersion. The cavity generates 4.7 ps long pulses with a spectral bandwidth of 58.2 nm, which are dechirped to 42 fs via a grating pair compressor outside of the cavity. Relative intensity noise (RIN) of the laser is characterized, with the integrated RIN found to be 0.026% in the 3 Hz-250 kHz frequency range.
      Keywords
      Fiber cavity
      Frequency ranges
      Grating pair compressor
      Low birefringence
      Lyot filters
      Relative intensity noise
      Spectral bandwidth
      Yb-doped fiber lasers
      Fiber lasers
      Fibers
      Photonic crystal fibers
      Ytterbium
      Pulse generators
      Permalink
      http://hdl.handle.net/11693/21034
      Published Version (Please cite this version)
      http://dx.doi.org/10.1364/OL.38.000956
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      • Department of Physics 2299
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