2022
DOI: 10.48550/arxiv.2201.02872
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Perturbation approach in Heisenberg equations for lasers

Igor E. Protsenko,
Alexander V. Uskov

Abstract: Nonlinear Heisenberg-Langevin equations are solved analytically by operator Fourier-expansion for the laser in the LED regime. Fluctuations of populations of lasing levels are taken into account as perturbations. Spectra of operator products are calculated as convolutions, preserving Bose commutations for the lasing field operators. It is found that fluctuations of population significantly affect spontaneous and stimulated emissions into the lasing mode, increase the radiation rate, the number of lasing photon… Show more

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