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Adiabatons in a double tripod coherent atom-light coupling scheme.

Viačeslav Kudriašov1, Hamid R Hamedi2, Julius Ruseckas3

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Optical adiabatons, shape-invariant light pulses, can form in specific atomic systems. Double tripod systems are favorable, unlike M-type systems which suffer pulse distortion.

Keywords:
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Area of Science:

  • Quantum optics
  • Atomic physics
  • Nonlinear optics

Background:

  • Optical adiabatons are shape-invariant optical pulse pairs.
  • They propagate at reduced group velocity and without absorption.
  • Formation of optical adiabatons is crucial for robust light propagation.

Purpose of the Study:

  • To investigate the potential for creating optical adiabatons in multilevel atomic systems.
  • Focus on M-type and double tripod (DT) atomic configurations with five energy levels.

Main Methods:

  • Theoretical analysis of light-matter interactions in M-type and DT atomic systems.
  • Simulation of pulse propagation dynamics under different interaction configurations.

Main Results:

  • M-type atomic systems exhibit intensity-dependent group velocity and pulse front steepening.
  • These effects in M-type systems hinder the formation of long-range optical adiabatons.
  • Double tripod (DT) atomic systems demonstrate favorable conditions for optical adiabatons.

Conclusions:

  • DT atomic systems support the formation of optical adiabatons with invariant pulse shapes.
  • Two distinct optical field configurations can propagate as adiabatons in DT systems.
  • M-type systems are unsuitable for long-range optical adiabatons due to pulse distortion.