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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">izmertech-692</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>ОПТИКО-ФИЗИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPTICOPHYSICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Минимизация погрешности измерения фазовых шумов узкополосного лазера c помощью интерферометра Маха-Цендера на основе волокна с сохранением поляризации</article-title><trans-title-group xml:lang="en"><trans-title></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>Пнев</surname><given-names>А. Б.</given-names></name></name-alternatives><email xlink:type="simple">thefrost@list.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>Борисова</surname><given-names>А. В.</given-names></name></name-alternatives><email xlink:type="simple">thefrost@list.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>Денисова</surname><given-names>Я. А.</given-names></name></name-alternatives><email xlink:type="simple">thefrost@list.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>Степанов</surname><given-names>К. В.</given-names></name></name-alternatives><email xlink:type="simple">thefrost@list.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>А Жирнов</surname><given-names>А. .</given-names></name></name-alternatives><email xlink:type="simple">thefrost@list.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>Чернуцкий</surname><given-names>А. О.</given-names></name></name-alternatives><email xlink:type="simple">thefrost@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Московский государственный технический университет имени Н. Э. Баумана</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>07</day><month>02</month><year>2023</year></pub-date><volume>0</volume><issue>5</issue><fpage>37</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/692">https://www.izmt.ru/jour/article/view/692</self-uri><abstract><p>Предложено устройство для измерений фазовых шумов с использованием интерферометра Маха-Цендера, все волоконные элементы которого выполнены на основе волокна с сохранением состояния поляризации. Это позволяет не применять в устройстве опорный источник излучения и таким образом значительно снизить стоимость установки. В устройстве формируются два интерференционных сигнала от ортогонально поляризованных волн, разделяемые затем поляризационным демультиплексором, что устраняет влияние внешних шумов на результат измерения. Описан алгоритм вычисления фазового шума и приведена оценка влияния температурной нестабильности. Для оценки работоспособности установки и алгоритма обработки сигнала выполнено сравнение вычисленных и заданных при моделировании характеристик фазового шума.</p></abstract><trans-abstract xml:lang="en"><p>А scheme for measuring phase noise using a РМ-fiber based Mach-Zehnder interferometer is proposed. Two interference signals from orthogonally polarized waves are formed in the scheme, which subsequently are separated by a poiarization demultiplexer. This allows to avoid the influence of external noise on the measurement result. An algorithm is described for calculating phase noise and the effect of temperature instability is estimated. In order to assess the operability of the scheme and the signal processing algorithm, the comparison is made of the calculated values of the phase noise and the values specified in the simulation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>фазовый шум</kwd><kwd>волокно с сохранением поляризации</kwd><kwd>интерферометр Маха-Цендера</kwd><kwd>лазер</kwd><kwd>относительный шум интенсивности</kwd><kwd>спектральная плотность мощности</kwd><kwd>рhase noise</kwd><kwd>PM-fiber</kwd><kwd>Mach-Zehnder interferometer (MZI)</kwd><kwd>relative intensity noise (RIN)</kwd><kwd>рower spectral density</kwd><kwd>laser</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">Paschotta R. Encyclopedia of laser physics and technology. V. 1. 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