WIAS Preprint No. 3226, (2025)

Low-frequency fluctuations in semiconductor lasers with delayed optical feedback


Authors

  • Radziunas, Mindaugas
    ORCID: 0000-0003-0306-1266
  • Kane, Deborah M.

2020 Mathematics Subject Classification

  • 78A60 37N20 78-10 78M22 78M34

Keywords

  • Semiconductor laser, optical feedback, traveling wave model, optical modes, mode analysis, low-frequency fluctuations, simulations

DOI

10.20347/WIAS.PREPRINT.3226

Abstract

Low-frequency fluctuations in a semiconductor laser with optical feedback system are analyzed with a traveling wave model, and the concepts of instantaneous and compound cavity modes. Compound-cavity mode curves, including their height and width characteristics in the frequency/carrier-density-offset plane, provide good estimates of parameter ranges where low- frequency fluctuations occur. These ranges cover a larger part of the parameter space than is commonly realized.

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