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<p>In this work, we provide a simplified theoretical analytical estimation of the quantum cascade laser build-up time, accurately taking into account the main effects: the QCL overheating during the pump pulse and the photon mode filling effect. The non-trivial interplay of the mentioned effects brings about a variety of possible experimental build-up time behaviors. The latter range from decreasing curvature for low-power devices to non-monotonous function for devices performing at high power.</p>

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An effect of a pump pulse rising edge on the QCL build-up time: the analytical approach

  • 期刊论文

  • 发表日期：

    2025年3月24日

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  • Ivan I. Vrubel,
  • Evgeniia D. Cherotchenko,
  • Ksenia V. Kusakina,
  • Sausan H. Abdulrazak,
  • Vladislav V. Dudelev,
  • Grigorii S. Sokolovskii

摘要

In this work, we provide a simplified theoretical analytical estimation of the quantum cascade laser build-up time, accurately taking into account the main effects: the QCL overheating during the pump pulse and the photon mode filling effect. The non-trivial interplay of the mentioned effects brings about a variety of possible experimental build-up time behaviors. The latter range from decreasing curvature for low-power devices to non-monotonous function for devices performing at high power.