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<p>Results of modeling laser generation for the parameters of gain elements on semiconductor quantum dots are presented considering several interrelated nonlinear effects leading to a frequency shift of the emitted field and the central frequency of the spectral resonance gain line. The stability of solutions of the approximate model of radiation generation in the form of a system of rate equations is qualitatively analyzed. A special role of the optical Stark effect in the development of instability in the phase relationship of the light radiation field and the resonance response of the medium of the gain elements is established and leads to the spontaneous development of the oscillatory radiation mode at a constant excitation level by pumping.</p>

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Resonance Model of Self-Pulsations in Quantum Dot Lasers Under Conditions of Nonlinear Frequency Chirp

  • 期刊论文

  • 发表日期：

    2025年11月4日

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  • E. V. Timoshchenko,
  • V. A. Yurevich,
  • Yu. V. Yurevich

摘要

Results of modeling laser generation for the parameters of gain elements on semiconductor quantum dots are presented considering several interrelated nonlinear effects leading to a frequency shift of the emitted field and the central frequency of the spectral resonance gain line. The stability of solutions of the approximate model of radiation generation in the form of a system of rate equations is qualitatively analyzed. A special role of the optical Stark effect in the development of instability in the phase relationship of the light radiation field and the resonance response of the medium of the gain elements is established and leads to the spontaneous development of the oscillatory radiation mode at a constant excitation level by pumping.