Measurements of Cross-Correlations in a Two-Mode Dye Laser
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The tendency of a homogeneously broadened two-mode laser, such as a dye ring laser, to switch spontaneously, and at random times between the two modes is now well established[1–6]. Although in the early years the phenomenon was attributed to spurious external disturbances, and can indeed be induced by such disturbances, it was later recognized that spontaneous quantum fluctuations in the laser must be expected to produce the same effect, even in the absence of any external disturbances. Since that time the switching phenomenon has been studied in a more quantitative manner[4–6]. We wish to report the first measurements of the cross-correlation between the two light intensities for a range of working points of the laser.
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- 18.A more complete treatment of the computer solution will be presented elsewhere, see R. Short, P. Lett and L. Mandel, to be published.Google Scholar