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      Tailored design of mode-locking dynamics for low-noise frequency-comb generation

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      Author(s)
      Şenel, Ç.
      Hamid, R.
      Erdoǧan, C.
      Çelik, M.
      İlday, Fatih Ömer
      Date
      2018
      Source Title
      Physical Review Applied
      Print ISSN
      2331-7019
      Publisher
      American Physical Society
      Volume
      10
      Issue
      2
      Pages
      024027-6 - 024027-1
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      We report a mode-locked laser design using Yb-doped fiber lasers for low-noise frequency-comb generation. The frequency comb covers the spectral range from 700 to 1400 nm. Although this range is more practical for many measurements than that produced by the more commonly used Er-fiber lasers, it has been addressed in only a handful of reports, mainly due to the difficulty of generating a fully coherent supercontinuum at 1μm. We overcome this difficulty by a tailored design of the mode-locking dynamics that succeeds in generating energetic 33-fs-long pulses without even using higher-order-dispersion compensation, while ensuring that the laser operates with net zero cavity dispersion for low-noise supercontinuum generation. After locking to a Cs atomic clock, this frequency comb is used for absolute-frequency measurements of a Nd:YAG-I2 laser to verify its accuracy by comparison with results from the International Committee for Weights and Measures. After this verification, it is further used to measure the absolute frequency of a 543-nm two-mode stabilized He-Ne laser, which is routinely used for length measurements in our institute, thus verifying its practical utility in metrology applications. The entire setup is built with readily available components for easy duplication by other researchers.
      Permalink
      http://hdl.handle.net/11693/50145
      Published Version (Please cite this version)
      https://doi.org/10.1103/PhysRevApplied.10.024027
      Collections
      • Department of Electrical and Electronics Engineering 4011
      • Department of Physics 2550
      • Institute of Materials Science and Nanotechnology (UNAM) 2258
      • Nanotechnology Research Center (NANOTAM) 1179
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