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Dissipative-soliton mode locked laser based on large-mode-area photonic crystal fiber

Zhang Xin Hu Ming-Lie Song You-Jian Chai Lu Wang Qing-Yue

Dissipative-soliton mode locked laser based on large-mode-area photonic crystal fiber

Zhang Xin, Hu Ming-Lie, Song You-Jian, Chai Lu, Wang Qing-Yue
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  • Abstract views:  3855
  • PDF Downloads:  1470
  • Cited By: 0
Publishing process
  • Received Date:  14 May 2009
  • Accepted Date:  01 June 2009
  • Published Online:  15 March 2010

Dissipative-soliton mode locked laser based on 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 dissipative-soliton mode locked laser based on Yb-doped single polarization large-mode-area photonic crystal fiber is demonstrated. The dissipative soliton dynamics is explored by numerical simulation. Compared with all normal dispersion fiber lasers, there are more pulse shaping mechanisms in a dissipative-soliton fiber laser, including the nonlinear absorption of SESAM, spectrum filtering of the chirped pulse and gain dispersion, which results in robust and stable operation. Among them, spectrum filtering plays a dominant role in mode-locking, it shapes pulse both in frequency domain and time domain and keeps the pulse duration below 1 ps in the cavity. For the first time, sub-1 ps pulse is directly generated in a dispersion compensation free cavity. The fiber laser directly generates 777 fs pulse at 1 W average power at a repetition rate of 514 MHz, corresponding to a single pulse energy of 20 nJ.

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