摘要
A model of quasi-CPA (chirped pulse amplification) system, in which the input is the transform-limited Gaussian pulses, is set up numerically to investigate the impact of the second order dispersion on the adaptive compensation of self-phase modulation (SPM) effect. The adaptive phase pre-shaping controlled by differential evolution algorithm is introduced to the input pulse before amplification and recompression. With maximizing the peak power of the output pulse, the simulation results show that the normal dispersion is really helpful to eliminate the side lobes of the output pulse and increase the pulse peak power.
A model of quasi-CPA （chirped pulse amplification） system, in which the input is the transform-limited Gaussian pulses, is set up numerically to investigate the impact of the second order dispersion on the adaptive compensation of self-phase modulation （SPM） effect. The adaptive phase pre-shaping controlled by differential evolution algorithm is introduced to the input pulse before amplification and recompression. With maximizing the peak power of the output pulse, the simulation results show that the normal dispersion is really helpful to eliminate the side lobes of the output pulse and increase the pulse peak power.
基金
supported by the National Natural Science Foundation of China (No.60837002)
National High Technology Research and Development Program of China (No.2008AA01Z15)
Beijing Jiaotong University Foundation (Nos.2008RC051 and 2008RC050)
