4.6 Article

Versatile patterns of multiple rectangular noise-like pulses in a fiber laser

Journal

OPTICS EXPRESS
Volume 24, Issue 7, Pages 7356-7363

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.24.007356

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Funding

  1. National Natural Science Foundation of China [61378036, 61307058, 11304101, 11474108]
  2. Key Program of Natural Science Foundation of Guangdong Province, China [2014A030311037]
  3. Open Fund of the State Key Laboratory of Luminescent Materials and Devices (South China University of Technology) [2016-skllmd-12]
  4. Guangdong Natural Science Funds for Distinguished Young Scholar [2014A030306019]
  5. Program for the Outstanding Innovative Young Talents of Guangdong Province [2014TQ01X220]
  6. Zhujiang New-star Plan of Science & Technology in Guangzhou City [2014J2200008]

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We report on the generation of versatile patterns of multiple rectangular noise-like pulses (NLPs) in a fiber laser mode-locked by nonlinear amplifying loop mirror (NALM). Benefiting from the strengthened nonlinear effect of a segment of highly nonlinear fiber (HNLF) in the loop, multiple rectangular NLPs with various patterns are formed depending on the cavity parameter settings. In particular, the multiple rectangular NLPs could possess unequal packet durations, which is different from the conventional multi-soliton patterns. The experimental results contribute to further understanding the characteristics of the rectangular NLP and the dynamics of multi-pulse patterns. (C) 2016 Optical Society of America

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