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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-1748</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ПРИБОРЫ И МЕТОДЫ СПЕКТРОСКОПИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DEVICES AND METHODS OF SPECTROSCOPY</subject></subj-group></article-categories><title-group><article-title>Резонансная модель самопульсаций излучения лазеров на квантовых точках в условиях нелинейного дрейфа частоты</article-title><trans-title-group xml:lang="en"><trans-title>Resonance Model of Self-Pulsation in Quantum Dot Lasers under Conditions of Nonlinear Frequency Chirp</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1373-5113</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тимощенко</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Timoshchenko</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Могилев</p></bio><bio xml:lang="en"><p>Mogilev</p><p> </p></bio><email xlink:type="simple">timoshchenko@msu.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юревич</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurevich</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Могилев</p></bio><bio xml:lang="en"><p>Mogilev</p></bio><email xlink:type="simple">va_yurevich@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юревич</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurevich</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Могилев</p></bio><bio xml:lang="en"><p>Mogilev</p></bio><email xlink:type="simple">y_y87@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Мoгилевский государственный университет имени А. А. Кулешова</institution></aff><aff xml:lang="en"><institution>A. Kuleshov Mogilev State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет пищевых и химических технологий</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Food and Chemical Technologies</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>26</day><month>09</month><year>2025</year></pub-date><volume>92</volume><issue>5</issue><fpage>650</fpage><lpage>658</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тимощенко Е.В., Юревич В.А., Юревич Ю.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Тимощенко Е.В., Юревич В.А., Юревич Ю.В.</copyright-holder><copyright-holder xml:lang="en">Timoshchenko E.V., Yurevich V.A., Yurevich Y.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://zhps.ejournal.by/jour/article/view/1748">https://zhps.ejournal.by/jour/article/view/1748</self-uri><abstract><p>Представлены результаты моделирования генерации лазера для параметров усиливающих элементов на полупроводниковых квантовых точках с учетом ряда взаимосвязанных нелинейных эффектов, приводящих к смещению частоты излучаемого поля и центральной частоты спектральной резонансной линии усиления. Проведен качественный анализ устойчивости решений приближенной модели генерации излучения в виде системы скоростных уравнений. Установлена особая роль оптического эффекта Штарка в развитии неустойчивости фазового соотношения светового поля излучения и резонансного отклика среды усиливающих элементов, приводящая к самопроизвольному развитию осцилляторного режима излучения при постоянном уровне возбуждения накачкой. </p></abstract><trans-abstract xml:lang="en"><p>The results of modeling the laser generation for the parameters of the gain elements on semiconductor quantum dots are presented taking into account a number of interrelated nonlinear effects leading to a shift in the frequency of the emitted field and the central frequency of the spectral resonance gain line. A qualitative analysis of the stability of solutions of the approximate model of radiation generation in the form of a system of rate equations is carried out. A special role of the optical Stark effect in the development of instability of the phase relationship of the light radiation field and the resonance response of the medium of the gain elements is established, leading to the spontaneous development of the oscillatory radiation mode at a constant excitation level by pumping.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лазерное излучение</kwd><kwd>резонансная нелинейность</kwd><kwd>полупроводниковые квантоворазмерные структуры</kwd><kwd>нелинейный дрейф частоты</kwd><kwd>самопульсации интенсивности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>laser radiation</kwd><kwd>resonant nonlinearity</kwd><kwd>semiconductor quantum-sized structures</kwd><kwd>nonlinear frequency drift</kwd><kwd>intensity self-sustained pulsations</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">K. Wu, M. Rahman. Electromagn. 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