H. M. Gibbs, G. Khitrova, and C. W. Lowry, Optical Sciences Center, University of Arizona, Tucson, Ariz., and S. W. Koch, Fachbereich Physik, Philipps Universität Marburg, Marburg,
In ACTESEA, modifications of the probe gain in the vicinity of the frequency of a narrowband cw beam injected into the Fabry-Perot peak of a VCSEL just above threshold are detected as changes in the broad lasing spectral profile. As shown in the figure, the emission is enhanced below the injection frequency and suppressed above.
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