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      Microjoule-energy, 1 MHz repetition rate pulses from all-fiber-integrated nonlinear chirped-pulse amplifier

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      Author
      Kalaycioglu, H.
      Oktem, B.
      Şenel, Ç.
      Paltani, P. P.
      Ilday, F. Ö.
      Date
      2010-03-23
      Source Title
      Optics Letters
      Print ISSN
      0146-9592
      Publisher
      Optical Society of America
      Volume
      35
      Issue
      7
      Pages
      959 - 961
      Language
      English
      Type
      Article
      Item Usage Stats
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      112
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      Abstract
      We demonstrate generation of pulses with up to 4 μJ energy at 1 MHz repetition rate through nonlinear chirped-pulse amplification in an entirely fiber-integrated amplifier, seeded by a fiber oscillator. The peak power and the estimated nonlinear phase shift of the amplified pulses are as much as 57 kW and 22π, respectively. The shortest compressed pulse duration of 140 fs is obtained for 3.1 μJ of uncompressed amplifier output energy at 18 π of nonlinear phase shift. At 4 μJ of energy, the nonlinear phase shift is 22 π and compression leads to 170-fs-long pulses. Numerical simulations are utilized to model the experiments and identify the limitations. Amplification is ultimately limited by the onset of Raman amplification of the longer edge of the spectrum with an uncompressible phase profile.
      Keywords
      All fiber
      Amplified pulse
      Amplifier output
      Chirped pulse amplifications
      Chirped pulse amplifier
      Compressed pulse
      Integrated amplifiers
      Long pulse
      Microjoule
      Nonlinear phase shift
      Numerical simulation
      Peak power
      Phase profile
      Raman amplification
      Repetition rate
      Amplification
      Computer simulation
      Integrated optics
      Phase shift
      Pulse amplifiers
      Pulse repetition rate
      Pulse generators
      Permalink
      http://hdl.handle.net/11693/22383
      Published Version (Please cite this version)
      http://dx.doi.org/10.1364/OL.35.000959
      Collections
      • Department of Physics 2299
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
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