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Abstract <p>The dependences of the radiation intensity in various circular polarizations from injection surface-emitting lasers with a vertical chiral microcavity on the excitation current value were experimentally investigated. A sharp increase of the circular polarization degree of the laser emission from small values ∼5% to values &gt;70% was observed at a current exceeding the threshold value. Considering the nonlinear optical properties of laser resonators, model calculations were performed, and the calculation results are in good agreement with the experiment.</p>

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Experimental Studies of the Generation Thresholds of Circularly Polarized Emission from Injection Semiconductor Lasers

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • A. A. Maksimov,
  • I. I. Tartakovskii

摘要

Abstract

The dependences of the radiation intensity in various circular polarizations from injection surface-emitting lasers with a vertical chiral microcavity on the excitation current value were experimentally investigated. A sharp increase of the circular polarization degree of the laser emission from small values ∼5% to values >70% was observed at a current exceeding the threshold value. Considering the nonlinear optical properties of laser resonators, model calculations were performed, and the calculation results are in good agreement with the experiment.