4.6 Article

Hybrid mode-locked Er-doped fiber femtosecond oscillator with 156 mW output power

Journal

OPTICS EXPRESS
Volume 20, Issue 14, Pages 15054-15060

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.20.015054

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Funding

  1. National Space Laboratory Program
  2. Global Research Network Program
  3. Creative Research Initiative Program
  4. Basic Science Research Program [2010-0024882]
  5. National Research Foundation of South Korea
  6. National Research Foundation of Korea [2008-2003193, 2010-0024882, 220-2011-1-D00005, 2008-0060606, 2011-0020727] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We report on an Er-doped fiber oscillator that produces 146 fs pulses with 156 mW average power at a repetition rate of 49.9 MHz. The pulse energy reaches 3.13 nJ, surpassing the conventional power limit in the dispersion-managed soliton regime. Such high pulse power is obtained by devising a hybrid mode-locking scheme that combines saturable absorption with nonlinear polarization evolution. The oscillator also offers excellent temporal purity in the generated pulses with high power, providing a robust fiber-based frequency comb well suited for industrial uses. (c) 2012 Optical Society of America

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