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Resonance Model of Self-Pulsation in Quantum Dot Lasers under Conditions of Nonlinear Frequency Chirp
Abstract
The results of modeling the laser generation for the parameters of the gain elements on semiconductor quantum dots are presented taking into account a number of interrelated nonlinear effects leading to a shift in the frequency of the emitted field and the central frequency of the spectral resonance gain line. A qualitative analysis of the stability of solutions of the approximate model of radiation generation in the form of a system of rate equations is carried out. A special role of the optical Stark effect in the development of instability of the phase relationship of the light radiation field and the resonance response of the medium of the gain elements is established, leading to the spontaneous development of the oscillatory radiation mode at a constant excitation level by pumping.
About the Authors
E. V. Timoshchenko
A. Kuleshov Mogilev State University
Belarus
Belarus
Mogilev
V. A. Yurevich
Belarusian State University of Food and Chemical Technologies
Belarus
Belarus
Mogilev
Yu. V. Yurevich
Belarusian State University of Food and Chemical Technologies
Belarus
Belarus
Mogilev
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For citations:
Timoshchenko E.V., Yurevich V.A., Yurevich Yu.V. Resonance Model of Self-Pulsation in Quantum Dot Lasers under Conditions of Nonlinear Frequency Chirp. Zhurnal Prikladnoii Spektroskopii. 2025;92(5):650-658. (In Russ.)
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