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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-136</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ПЕРЕСТРАИВАЕМЫЙ ВОСЬМИВОЛНОВЫЙ ТЕРАГЕРЦОВЫЙ МОДУЛЯТОР, ОСНОВАННЫЙ НА ФОТОННЫХ КРИСТАЛЛАХ</article-title><trans-title-group xml:lang="en"><trans-title>A TUNABLE EIGHT-WAVELENGTH TERAHERTZ MODULATOR BASED ON PHOTONIC CRYSTALS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ji</surname><given-names>K. .</given-names></name><name name-style="western" xml:lang="en"><surname>Ji</surname><given-names>K. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Chen</surname><given-names>H. .</given-names></name><name name-style="western" xml:lang="en"><surname>Chen</surname><given-names>H. .</given-names></name></name-alternatives><email xlink:type="simple">chhm@njupt.edu.cn</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>Zhou</surname><given-names>W. .</given-names></name><name name-style="western" xml:lang="en"><surname>Zhou</surname><given-names>W. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Zhuang</surname><given-names>Y. .</given-names></name><name name-style="western" xml:lang="en"><surname>Zhuang</surname><given-names>Y. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</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>Wang</surname><given-names>J. .</given-names></name><name name-style="western" xml:lang="en"><surname>Wang</surname><given-names>J. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Нанкинский университет сообщений и телекоммуникаций</institution></aff><aff xml:lang="en"><institution>Nanjing University of Posts and Telecommunications</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>84</volume><issue>5</issue><fpage>767</fpage><lpage>771</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ji K..., Chen H..., Zhou W..., Zhuang Y..., Wang J..., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Ji K..., Chen H..., Zhou W..., Zhuang Y..., Wang J...</copyright-holder><copyright-holder xml:lang="en">Ji K..., Chen H..., Zhou W..., Zhuang Y..., Wang J...</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/136">https://zhps.ejournal.by/jour/article/view/136</self-uri><abstract><p>Предложен перестраиваемый восьмиволновый терагерцовый модулятор, основанный на структуре тройных треугольных решеточных фотонных кристаллов, с использованием фотонных кристаллов в терагерцовом режиме. Тройная треугольная решетка сформирована путем размещения круглых, квадратных и треугольных диэлектрических цилиндров. В идеальный фотонный кристалл введены три дефекта с квадратными точками для создания восьми дефектных мод. GaAs использован в качестве источника точечных дефектов для реализации перестраиваемости. Использована структура с отражающим барьером для достижения модуляции при высокой скорости передачи. Коэффициенты вносимых потерь и экстинкции 0.122 и 38.54 дБ. Скорость модуляции 0.788 дБ. Производительность восьмиволнового терагерцового модулятора показала большой потенциал для использования в терагерцовых системах связи.</p></abstract><trans-abstract xml:lang="en"><p>We propose a tunable eight-wavelength terahertz modulator based on a structure of triple triangular lattice photonic crystals by using photonic crystals in the terahertz regime. The triple triangular lattice was formed by nesting circular, square, and triangular dielectric cylinders. Three square point defects were introduced into the perfect photonic crystal to produce eight defect modes. GaAs was used as the point defects to realize tunability. We used a structure with a reflecting barrier to achieve modulation at high transmission rate. The insertion loss and extinction ratio were 0.122 and 38.54 dB, respectively. The modulation rate was 0.788 dB. The performance of the eight-wavelength terahertz modulator showed great potential for use in future terahertz communication systems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>терагерцовая волна</kwd><kwd>восьмиволновый перестраиваемый модулятор</kwd><kwd>фотонные кристаллы</kwd><kwd>terahertz wave</kwd><kwd>modulator</kwd><kwd>photonic crystals</kwd><kwd>eight-wavelength</kwd><kwd>tunable</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">H. Chon, B. A. Ozan, A. F. Ian, IEEE T. Wirel. 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