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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Communications Technology and Electronics</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Communications Technology and Electronics</journal-title><trans-title-group xml:lang="ru"><trans-title>Радиотехника и электроника</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0033-8494</issn><issn publication-format="electronic">3034-5901</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">684122</article-id><article-id pub-id-type="doi">10.31857/S0033849425010071</article-id><article-id pub-id-type="edn">HJHWKG</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>PHYSICAL PROCESSES IN ELECTRONIC DEVICES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ФИЗИЧЕСКИЕ ПРОЦЕССЫ В ЭЛЕКТРОННЫХ ПРИБОРАХ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Changes in the intrinsic stimulated intense picosecond emission of the Al<sub>x</sub>Ga<sub>1–x</sub>As-GaAs-Al<sub>x</sub>Ga<sub>1–x</sub>As heterostructure due to the return of those part of the emission that was reflected from the end of the heterostructure to the active region</article-title><trans-title-group xml:lang="ru"><trans-title>Изменения собственного стимулированного интенсивного пикосекундного излучения гетероструктуры Al<sub>x</sub>Ga<sub>1–x</sub>As-GaAs-Al<sub>x</sub>Ga<sub>1–x</sub>As из-за возвращения в активную область отраженной от торца гетероструктуры части излучения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ageeva</surname><given-names>N. N.</given-names></name><name xml:lang="ru"><surname>Агеева</surname><given-names>Н. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bil@cplire.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bronevoi</surname><given-names>I. L.</given-names></name><name xml:lang="ru"><surname>Броневой</surname><given-names>И. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bil@cplire.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Krivonosov</surname><given-names>A. N.</given-names></name><name xml:lang="ru"><surname>Кривоносов</surname><given-names>А. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bil@cplire.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kotel’nikov Institute of Radioengeneering and Electronics RAS</institution></aff><aff><institution xml:lang="ru">Институт радиотехники и электроники им. В.А. Котельникова РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-01-17" publication-format="electronic"><day>17</day><month>01</month><year>2025</year></pub-date><volume>70</volume><issue>1</issue><fpage>65</fpage><lpage>72</lpage><history><date date-type="received" iso-8601-date="2025-06-13"><day>13</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0033-8494/article/view/684122">https://journals.eco-vector.com/0033-8494/article/view/684122</self-uri><abstract xml:lang="en"><p>Quenching of the generation of the intrinsic stimulated intense picosecond emission of the Al<italic><sub>x</sub></italic>Ga<sub>1–<italic>x</italic></sub>As-GaAs-Al<italic><sub>x</sub></italic>Ga<sub>1–<italic>x</italic></sub>As heterostructure, emerging from its end, has been detected. Quenching occurs when those part of the emission reflected from the end of the heterostructure returns to the active region. This new effect allows decreasing the emission duration by up to 7.5 times.</p></abstract><trans-abstract xml:lang="ru"><p>Обнаружено гашение генерации собственного стимулированного интенсивного пикосекундного излучения гетероструктуры Al<italic><sub>x</sub></italic>Ga<sub>1–<italic>x</italic></sub>As-GaAs-Al<italic><sub>x</sub></italic>Ga<sub>1–<italic>x</italic></sub>As, выходящего из ее торца. Гашение происходит при возвращении в активную область отраженной от торца гетероструктуры части излучения. Этот новый эффект позволяет уменьшать длительность излучения вплоть до 7.5 раз.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Nonlinear dynamics</kwd><kwd>stimulated picosecond emission</kwd><kwd>quenching of emission generation</kwd><kwd>heterostructure</kwd><kwd>distributed Bragg reflector</kwd><kwd>photonic crystal</kwd><kwd>reduction of emission duration</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>нелинейная динамика</kwd><kwd>стимулированное пикосекундное излучение</kwd><kwd>гашение генерации излучения</kwd><kwd>гетероструктура</kwd><kwd>распределенный брэгговский отражатель</kwd><kwd>фотонный кристалл</kwd><kwd>сокращение длительности излучения</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Правительство РФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Government of the Russian Federation</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Агеева Н.Н., Броневой И.Л., Кривоносов А.Н. // ЖЭТФ. 2022. 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