Steering population transfer via continuum structure of the Li2 molecule with ultrashort laser pulses

Yan, Taiming; Han, Yong‐Chang; Yuan, Kai-Jun; Cong, Shu‐Lin

doi:10.1016/j.chemphys.2008.02.014

Cited by 14 publications

(5 citation statements)

References 35 publications

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“…The ultrashort laser pulse technique, as an important tool, has been applied to the studies of the phenomena of laser-molecule interactions, such as AC-Stark shift [1,2], multiphoton ionization [3][4][5], laser-induced continuum structure [6][7][8], photoassociation (PA) [9][10][11][12][13], etc. The PA process occurs when two colliding atoms form a molecule on the ground or an excited electronic state under the action of the laser pulse.…”

Section: Introductionmentioning

confidence: 99%

The isotope effect on the photoassociation of X + F → XF (X = H, D)

Shen

Han

et al. 2015

Laser Phys. Lett.

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The photoassociation (PA) reactions of H + F → HF and D + F → DF are investigated by using the time-dependent quantum wave packet method. For each system, we consider four cases, where the target state is set to be |ν = 16, 17, 18, 19〉, respectively. The effects of the initial collision momentum and laser parameters, including intensity, pulse duration, and frequency, on the final association probability are calculated and discussed. It is found that the PA probability for H + F → HF (|ν = 16, 17, 18〉) is significantly greater than that for D + F → DF (|ν = 16, 17, 18〉), while the PA probability to |ν = 19〉 for the latter system is greater than the former one. This isotope effect has been connected with the Franck-Condon overlap integral between the target vibrational state and the collision continuum state.

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Section: Introductionmentioning

confidence: 99%

The isotope effect on the photoassociation of X + F → XF (X = H, D)

Shen

Han

et al. 2015

Laser Phys. Lett.

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“…Yuan et al [20,21] found that the state populations change with the delay time; the more effective scheme for controlling the population transfer of the three-level Na 2 is the one with a short pulse width and positive delay time, which is explained by the light-induced potentials (LIPs). Hu et al [22] and Yan et al [23] studied the sensitivity of the population transfer and the angular distribution of population of the four-level Li 2 to the molecular rotation. Han et al [24] and Jing et al [25] presented that the laser intensity, wavelength, and delay time affect the state population of the four-level Li 2 .…”

Section: Introductionmentioning

confidence: 99%

Delay time dependence of wave packet motion and population transfer of four-level K₂molecule in pump–pump–probe pulses

Chang¹,

Liu²,

Guo³

et al. 2018

Chinese Phys. B

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The effect of delay time on photoelectron spectra and state populations of a four-level ladder K 2 molecule is investigated by a pump1-pump2-probe pulse via the time-dependent wave packet approach. The periodical motion of the wave packet leads to the periodical change of the photoelectron spectra. The Autler-Townes triple splitting appears at zero delay time, double splitting appears at nonzero delay time between pump1 and pump2 pulses, and no splitting appears at nonzero delay time between pump2 and probe pulses. The periodical change of the state populations with the delay time may be due to the coupling effect between the two pulses. It is found that the selectivity of the state populations may be attained by regulating the delay time. The results can provide an important basis for realizing the optical control of molecules experimentally.

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“…Meng et al [36,37] presented a light-matter interaction (LMI) method for the transfer of molecular wave packets from the ground state to the excited state, and for transfer on different vibrational levels. Han et al [38,39] calculated the population transfer of Na 2 and Li 2 molecules via the ionization continuum state. The time-dependent quantum wavepacket method is very efficient and successful for dynamics calculations for diatomic molecules.…”

Section: Introductionmentioning

confidence: 99%

Population transfer of a NaH molecule via stimulated Raman adiabatic passage

Zai¹,

Zhan²,

Wang³

et al. 2016

Laser Phys.

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The population transfer of a NaH molecule from the ground state Σ + X 1 to the target state Σ + A 1 via stimulated Raman adiabatic passage (STIRAP) is investigated. The results show that the intensity, delay time and detuning have a significant effect on population transfer. A large population transfer is observed with increased pump and Stokes intensity, especially when the pump and Stokes intensity match. Population transfer also depends on the delay time between the pump laser pulse and the Stokes laser pulse. The detuning of the two pulses influences the population transfer. Efficient population transfer can be realized under the resonant or twophoton resonant condition.

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Steering population transfer via continuum structure of the Li2 molecule with ultrashort laser pulses

Cited by 14 publications

References 35 publications

The isotope effect on the photoassociation of X + F → XF (X = H, D)

The isotope effect on the photoassociation of X + F → XF (X = H, D)

Delay time dependence of wave packet motion and population transfer of four-level K₂molecule in pump–pump–probe pulses

Population transfer of a NaH molecule via stimulated Raman adiabatic passage

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Steering population transfer via continuum structure of the Li2 molecule with ultrashort laser pulses

Cited by 14 publications

References 35 publications

The isotope effect on the photoassociation of X + F → XF (X = H, D)

The isotope effect on the photoassociation of X + F → XF (X = H, D)

Delay time dependence of wave packet motion and population transfer of four-level K2molecule in pump–pump–probe pulses

Population transfer of a NaH molecule via stimulated Raman adiabatic passage

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Product

Resources

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Delay time dependence of wave packet motion and population transfer of four-level K₂molecule in pump–pump–probe pulses