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Abstract <p>A calculation method is developed for the cavity of a new type of diode laser with a scalable optical output beam aperture. In a vertical cavity where a surface diffraction grating serves as one of the mirrors, only a single mode can be generated in the entire spectral gain band. Using a typical InGaAs/AlGaAs/GaAs heterostructure designed for operation in the 0.98 µm spectral range as an example, the cavity of this type of laser is calculated, its mode parameters, and their effective gains are determined.</p>

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Spectral Mode Selection in a Wide-Aperture Vertical-Cavity Diode Laser

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. P. Bogatov,
  • A. E. Drakin,
  • N. V. D’yachkov,
  • G. T. Mikaelyan

摘要

Abstract

A calculation method is developed for the cavity of a new type of diode laser with a scalable optical output beam aperture. In a vertical cavity where a surface diffraction grating serves as one of the mirrors, only a single mode can be generated in the entire spectral gain band. Using a typical InGaAs/AlGaAs/GaAs heterostructure designed for operation in the 0.98 µm spectral range as an example, the cavity of this type of laser is calculated, its mode parameters, and their effective gains are determined.