Operation of Kerr-lens mode-locked Ti:sapphire laser in the non-soliton regime

doi:10.1088/1674-1056/19/1/014215

Abstract A Kerr-lens mode-locked Ti:sapphire laser operating in a non-soliton regime is demonstrated. Dispersive wave generation is observed as a result of third order dispersion in the vicinity of zero dispersion. The characteristics of the Ti:sapphire laser operating in a positive dispersion regime are presented, where the oscillator directly generates pulses with duration continuously tunable from 0.37 ps to 2.11 ps, and 36 fs pulses are achieved after extracavity compression. The oscillation is numerically simulated with an extended nonlinear Schr?dinger equation, and the simulation results are in good agreement with the experimental results.

Keywords: Kerr-lens mode locking dispersive wave generation positive dispersion regime Ti:sapphire laser

Received: 24 February 2009
Revised: 01 June 2009
Accepted manuscript online:

PACS:	42.65.Tg	(Optical solitons; nonlinear guided waves)
	42.55.Rz	(Doped-insulator lasers and other solid state lasers)
	42.60.Fc	(Modulation, tuning, and mode locking)
	42.65.Hw	(Phase conjugation; photorefractive and Kerr effects)

Fund: Project supported by the National Basic Research Program of China (Grant No. 2006CB806002), the National High Technology Research and Development Program of China (Grant No. 2007AA03Z447), National Natural Science Foundation of China (Grant Nos. 60678012 and 60838004), the Foundation for Key Program of Ministry of Education, China (Grant No. 108032), and FANEDD (Grant No. 2007B34), and NCET (Grant No. NCET-07-0597).

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Liu Hua-Gang(刘华刚), Hu Ming-Lie(胡明列), Song You-Jian(宋有建), Li Yan-Feng (栗岩峰), Chai Lu(柴路), and Wang Ching-Yue(王清月) Operation of Kerr-lens mode-locked Ti:sapphire laser in the non-soliton regime 2010 Chin. Phys. B 19 014215

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Operation of Kerr-lens mode-locked Ti:sapphire laser in the non-soliton regime

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