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Observation of a Raman Echo

  • P. Hu
  • S. Geschwind
  • T. M. Jedju
Conference paper

Abstract

The microscopic decay time T2 of induced coherence in a two-level system is often an important parameter in characterizing interactions between the two-level systems or between them and their surroundings. This has been traditionally studied by spin echo [1] and photon echo experiments.[2] In this powerful class of experiments, radiation which is resonant with the two-level system is required to induce coherence between the levels. It would be advantageous, however, in those many cases where resonant radiation is not readily available or its use inconvenient, to be able to induce the coherence in the system by a nonresonant method. It has been shown in a variety of experiments in past years that coherence can be produced by two-wave light mixing or by stimulated Raman scattering.[3]

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Copyright information

© Springer Science+Business Media New York 1978

Authors and Affiliations

  • P. Hu
    • 1
  • S. Geschwind
    • 1
  • T. M. Jedju
    • 1
  1. 1.Bell. LaboratoriesMurray HillUSA

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