Journal of Hebei University(Natural Science Edition) >

2019 , Vol. 39 >Issue 5: 473 - 477

DOI: https://doi.org/10.3969/j.issn.1000-1565.2019.05.005

Absorption characteristics of Λ-type and V-type joint atomic systems by the modulation of coupling fields

  • YUAN Xiaoxian ,
  • WANG Longlong ,
  • SHI Yafang ,
  • ZHOU Wenguang ,
  • LIU Yi ,
  • WANG Ying ,
  • LI Xiaoli
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  • Key Laboratory of Optic-electronic Information and Materials of Hebei Province, College of Physics Science and Technology, Hebei University, Baoding 071002, China

Received date: 2018-05-07

  Online published: 2019-09-25

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Abstract

A theoretical study of the absorption characteristics of Λ-type and V-type joint atomic systems by the modulation of coupling fields is performed based on quantum mechanics. Using perturbation method to solve density matrix equations of motion in the system, the probing spectrum is numerically simulated under weak probing field conditions. Using the coupling field 2 as the linked field, we connect V-type system composed of coupling field 1 and coupling field 2 and Λ-type system composed of coupling field 2 and probing field. The line width and multi-window feature of EIT are controlled by tuning the Rabi frequency of coupling field 1, and the nonlinear characteristics of EIT are controlled by tuning the frequency detuning of the coupling field 2.

Key words： coupling field; Λ-type and V-type joint atomic systems; electromagnetically induced transparency; absorption characteristics

Cite this article

YUAN Xiaoxian , WANG Longlong , SHI Yafang , ZHOU Wenguang , LIU Yi , WANG Ying , LI Xiaoli . Absorption characteristics of Λ-type and V-type joint atomic systems by the modulation of coupling fields[J]. Journal of Hebei University(Natural Science Edition), 2019 , 39(5) : 473 -477 . DOI: 10.3969/j.issn.1000-1565.2019.05.005

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