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Theory of multimode effects including noise in semiconductor lasers

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1 Author(s)
Haken, H. ; Institut für Theoretische Physik der Universität, Stuttgart, Germany

In recent years a number of powerful methods have been developed that treat quantum fluctuations in ordinary lasers. Among these are quantum mechanical Langevin equations and a c -number Fokker-Planck equation associated with quantum systems. First, the quantum mechanical Langevin equations for the semiconductor laser are shown. Then the extension of the Fokker-Planck method to multimode action in semiconductor lasers is given, and then the exact stationary solution, which predicts the relative probability of mode configurations. In particular the Paoli-Ripper model that treats in a combined way the intrinsic resonance of a single-mode semiconductor laser and the effect of nonlinear polarization is discussed.

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Quantum Electronics, IEEE Journal of  (Volume:6 ,  Issue: 6 )