Two-Photon Absorption from a Phase Diffusing Laser Field

  • D. S. Elliott
Conference paper
Part of the Springer Series on Atoms+Plasmas book series (SSAOPP, volume 2)


In this report, I will discuss a recent experiment [1] in which we measured the influence of field frequency fluctuations on unsaturated two-photon absorption. The statistical properties of the frequency fluctuations in this experiment are carefully controlled, and the laser lineshape is nearly Lorentzian. This experiment provides direct confirmation of theoretical results of MOLLOW [2] on the linewidth of two- photon absorption by a phase-diffusing field. This report is organized as follows. The first section presents the background of the experiment, including Mollow’s results for two-photon absorption from a phase diffusing field, and a simple extension of his work to include the effect of the finite correlation time of the fluctuations. The next unit describes the manner in which the experiment was conducted, and a discussion of the results appears in the final section.


Frequency Fluctuation Vapor Cell Laser Bandwidth Chaotic Field Absorption Linewidth 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • D. S. Elliott
    • 1
  1. 1.School of Electrical EngineeringPurdue UniversityWest LafayetteUSA

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