J4 ›› 2012, Vol. 29 ›› Issue (6): 677-682.

• Quantum Optics • Previous Articles     Next Articles

Realization of population trapping in hydrogen system with amplitude-modulated pulse

LIU Haoran,QIAO Haoxue   

  1. School of Physics and Technology, Wuhan University, Wuhan 430072, China
  • Received:2012-03-28 Revised:2012-05-02 Published:2012-11-28 Online:2014-03-20

Abstract:

Using the splitting-operator spectral method, we simulate the evolution of the interaction of the pulse laser with the hydrogen atom system. The result indicates that when the input laser pulse is sine waves, the Rabi oscillation is also sine waves. When the input laser pulse is amplitude-modulated pulse, the Rabi oscillation will be of square waves , but there exist serious population-leak. Besides, when the hydrogen system is under a confined potential energy, we can decrease the laser intension to decrease the population-leak and achieve complete population transfer.

Key words: quantum optics, population trapping, splitting-operator spectral method, population transfer

CLC Number: