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Enhancement of the quantum characteristics of light from an inversionless three-level Λ-laser in cascade schemes

Abstract

We show that when a three-level laser is excited by Poisson light the lasing remains sub-Poisson, as asserted by H. Ritsch, M. A. M. Marte, and P. Zoller [Europhys. Lett. 19, 7 (1992)], only if there is no reciprocal action on the exciting laser (weak coupling). In cascade schemes in which each three-level Λ-laser excites each succeeding Λ-laser with its light, any desired degree of shot-noise suppression can be achieved.

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References

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Zh. Éksp. Teor. Fiz. 114, 1971–1992 (December 1998)

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Golubev, Y.M., Ershov, G.R. Enhancement of the quantum characteristics of light from an inversionless three-level Λ-laser in cascade schemes. J. Exp. Theor. Phys. 87, 1068–1079 (1998). https://doi.org/10.1134/1.558622

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  • DOI: https://doi.org/10.1134/1.558622

Keywords

  • Spectroscopy
  • State Physics
  • Field Theory
  • Elementary Particle
  • Quantum Field Theory