Memory effects in the linewidth and line shape near the laser threshold
- 1 March 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 17 (3), 1123-1132
- https://doi.org/10.1103/physreva.17.1123
Abstract
A mode-coupling approximation and a continued-fraction representation are used to calculate the memory kernels of the dynamical field and photon-number correlation functions near a single-mode laser's threshold. The resulting linewidths of field and intensity fluctuations versus pumping are in good agreement with Risken's numerical calculations as well as with empirical linewidth data. In addition details of the line shape are also reported. The deviations from a Lorentzian are appreciable in the proper threshold region.Keywords
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