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Abstract <p>An original waveguide design for the GaAs/AlGaAs quantum cascade laser with the wavelength of 10 µm and the substrate-leaking mode is proposed. Electromagnetic fields in the proposed waveguide are simulated, and the radiation pattern is calculated in the plane perpendicular to the structure growth plane. Feasibility of this laser with the radiation divergence of less than 4° is shown.</p>

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GaAs/AlGaAs Mid-Infrared Quantum Cascade Laser with Substrate-Leaking Mode

  • 期刊论文

  • 发表日期：

    2025年10月29日

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  • A. A. Dubinov,
  • V. I. Gavrilenko

摘要

Abstract

An original waveguide design for the GaAs/AlGaAs quantum cascade laser with the wavelength of 10 µm and the substrate-leaking mode is proposed. Electromagnetic fields in the proposed waveguide are simulated, and the radiation pattern is calculated in the plane perpendicular to the structure growth plane. Feasibility of this laser with the radiation divergence of less than 4° is shown.