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The enhancement of efficiency of high-order harmonic generation in two-color laser field

Zhang Chun-Li Liu Xue-Shen Ding Pei-Zhu Qi Yue-Ying

The enhancement of efficiency of high-order harmonic generation in two-color laser field

Zhang Chun-Li, Liu Xue-Shen, Ding Pei-Zhu, Qi Yue-Ying
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  • Received Date:  29 May 2006
  • Accepted Date:  30 June 2006
  • Published Online:  26 January 2007

The enhancement of efficiency of high-order harmonic generation in two-color laser field

  • 1. (1)吉林大学原子与分子物理研究所,长春 130012; (2)吉林大学原子与分子物理研究所,长春 130012;嘉兴学院机电工程学院,嘉兴 314001

Abstract: We solve the time-dependent Schr?dinger equation in two-color laser fields by using asymptotic boundary condition and symplectic algorithm. The P?schl-Teller potential model with three bound states was considered in the numerical calculation. The population of ionization, average distance, HHG and the population of transition were calculated. We show that the efficiency of high-order harmonic generation (HHG) in two-color laser field can be enhanced, and analyze the mechanism of the enhancement of HHG. We demonstrate qualitatively the enhancement of conversion efficiency of HHG by the transition probability.

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