啁啾效应对相干布居转移与自电离的影响研究

1.西安邮电学院应用数理系,陕西,西安,710061

2.西安邮电学院应用数理系,陕西,西安,710061

3.西安邮电学院应用数理系,陕西,西安,710061

4.西安邮电学院应用数理系,陕西,西安,710061

5.西安邮电学院应用数理系,陕西,西安,710061

基金项目: 西安邮电学院校科研和教改项目(105-0410) 陕西省自然科学基金(2004A15)

Study on the effects of chirped laser pulse on the coherent population transfer and autoionization

传统的光电离需要强激发光场且粒子布居存在强烈的拉比振荡.利用光脉冲的啁啾效应,可以抑制拉比振荡实现高效率的光电离.同时,对相干布居转移等课题的研究有一定的参考价值.

[1]	Sharma M P,et al.Dynamics of population of a four-level atom due to one-and three-photon processes[J].Phys.Rev.A,1984,29:3264.
[2]	Takashi N,Lambropoulos P.Manipulation of the line shape and final products of autoionization through the phase of the electric fields[J].Phys.Rev.Lett.,1993,70:1081.
[3]	Bergmann K,et al.Coherent population transfer among quantum states of atoms and molecules[J].Rev.Mod.Phys.,1998,70:1003-1025.
[4]	Szczepan C,Gibson G N.Adiabatic climbing of vibrational ladders using Raman transitions with a chirped pump laser[J].Phys.Rev.A,1995,52:R3417-R3420.
[5]	Szczepan C,et al.Efficient molecular dissociation by a chirped ultrashort infrared laser pulse[J].Phys.Rev.Lett.,1990,65:2355-2358.
[6]	Broers B,et al.Efficient population transfer in a three-level ladder system by frequency-swept ultrashort laser pulses[J].Phys.Rev.Lett.,1992,69:2062-2065.
[7]	Jin Changtai,Wang Xiulan.Observation of autoionization levels in uranium[J].Spectroscopy and Spectral Analysics (光谱学与光谱分析),1999,19:5 (in Chinese).
[8]	Liu Bo,Ning Xijing.Scheme for multistep resonance photoionization of atoms[J].Phys.Rev.A,2001,64:013401.
[9]	Goswani D.Laser phase modulation approaches towards ensemble quantum computing[J].Phys.Rev.Lett.,2002,88:177901.
[10]	Scully M O.Quantum Optics[M].Cambridge Press,1997.

上一张下一张

计量

作者相关

文章评分