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High energy femtosecond soliton mode-locking laser based on Yb-doped single polarization large-mode-area photonic crystal fiber

Song You-Jian Hu Ming-Lie Liu Bo-Wen Chai Lu Wang Qing-Yue

High energy femtosecond soliton mode-locking laser based on Yb-doped single polarization large-mode-area photonic crystal fiber

Song You-Jian, Hu Ming-Lie, Liu Bo-Wen, Chai Lu, Wang Qing-Yue
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  • Abstract views:  3676
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Publishing process
  • Received Date:  30 January 2008
  • Accepted Date:  05 March 2008
  • Published Online:  05 May 2008

High energy femtosecond soliton mode-locking laser based on Yb-doped single polarization large-mode-area photonic crystal fiber

  • 1. 天津大学精密仪器与光电子工程学院,光电信息技术科学教育部重点实验室,天津 300072

Abstract: A high energy femtosecond fiber laser based on Yb-doped single polarization large-mode-area photonic crystal fiber is demonstrated. A simple linear laser cavity is used. The laser works in soliton mode-locking regime due to the negative dispersion generated by a pair of gratings implemented in the cavity, while the self-starting mode-locking operation is achieved by sermiconductor saturable absorber mirror. The fiber laser directly generates 518 fs laser pulses with the average power of 700 mW at the repetition rate of 47.3MHz (corresponding to a pulse energy of 14.8 nJ). The single pulse energy is two orders higher than that of conventional soliton mode-locking fiber laser.

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