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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Published on: November 12, 2013

Optical multistability in three-level atoms inside an optical ring cavity.

Amitabh Joshi1, Min Xiao

  • 1Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, USA.

Physical Review Letters
|November 13, 2003
PubMed
Summary
This summary is machine-generated.

Optical multistability was demonstrated in a ring cavity with rubidium atoms. This phenomenon, sensitive to atomic coherence, shifts from bistable behavior with altered coupling fields and atomic density.

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Area of Science:

  • Atomic physics
  • Quantum optics
  • Nonlinear optics

Background:

  • Optical bistability is a well-known nonlinear optical phenomenon.
  • Three-level Lambda-type atomic systems offer unique quantum interference effects.
  • Rubidium atoms are commonly used in atomic spectroscopy and quantum information studies.

Purpose of the Study:

  • To experimentally demonstrate optical multistability.
  • To investigate the role of atomic coherence in optical multistability.
  • To explore the influence of coupling field and atomic density on multistability.

Main Methods:

  • Experimental setup using an optical ring cavity.
  • Inclusion of three-level Lambda-type rubidium atoms.
  • Varying the coupling field intensity and atomic number density.

Main Results:

  • Successful demonstration of optical multistability.
  • Observed high sensitivity of multistability to induced atomic coherence.
  • Transition from normal bistable behavior to multistability by adjusting parameters.

Conclusions:

  • Optical multistability is achievable in a rubidium-filled optical ring cavity.
  • Atomic coherence plays a critical role in the formation of multistability.
  • Coupling field and atomic density are key parameters to control multistable states.