<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<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">Last Mile</journal-id><journal-title-group><journal-title xml:lang="en">Last Mile</journal-title><trans-title-group xml:lang="ru"><trans-title>Первая миля</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2070-8963</issn><publisher><publisher-name xml:lang="en">Technosphera JSC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">633959</article-id><article-id pub-id-type="doi">10.22184/2070-8963.2024.120.4.38.42</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>WIRED COMMUNICATION</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ПРОВОДНАЯ СВЯЗЬ</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">Transport high-capacity WANs capacities. Part 2. Evolution of coherent digital signal processors</article-title><trans-title-group xml:lang="ru"><trans-title>Транспортные ВОСП большой пропускной способности. Часть 2. Эволюция когерентных цифровых сигнальных процессоров</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kogan</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Коган</surname><given-names>С. C.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>к.т.н., советник генерального директора по формированию технической стратегии </p></bio><email>kogan@t8.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en"></institution></aff><aff><institution xml:lang="ru">Компания "Т8"</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-07-03" publication-format="electronic"><day>03</day><month>07</month><year>2024</year></pub-date><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>38</fpage><lpage>42</lpage><history><date date-type="received" iso-8601-date="2024-06-30"><day>30</day><month>06</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-06-30"><day>30</day><month>06</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Kogan S.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Коган С.C.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Kogan S.S.</copyright-holder><copyright-holder xml:lang="ru">Коган С.C.</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2070-8963/article/view/633959">https://journals.eco-vector.com/2070-8963/article/view/633959</self-uri><abstract xml:lang="en"><p>This series of papers presents international industry standards for 400G open line interfaces with interchangeable coherent optical transceiver modules (transceivers) for OTN/DWDM transport fiber-optic transmission systems (OTN/DWDM) (Part 1), evolution of generations of coherent digital signal processors (DSPs) for high-speed optical channels (wavelengths) in OTN/DWDM (Part 2), and evolution of technologies used to manufacture coherent DSPs for OTN/DWDM (Part 3).</p></abstract><trans-abstract xml:lang="ru"><p>В цикле статей представлены международные отраслевые стандарты для открытых линейных интерфейсов 400G со сменными когерентными оптическими модулями-приемопередатчиками (трансиверами) транспортных волоконно-оптических систем передачи (ВОСП) OTN/DWDM (часть 1), эволюция поколений когерентных цифровых сигнальных процессоров (ЦСП) для высокоскоростных оптических каналов (длин волн) ВОСП (часть 2), а также эволюция технологий, используемых для изготовления когерентных ЦСП для ВОСП (часть 3).</p></trans-abstract><kwd-group xml:lang="en"><kwd>optical coherent solutions</kwd><kwd>polarisation</kwd><kwd>Terabit Ethernet</kwd><kwd>C-band</kwd><kwd>wavelength</kwd><kwd>signal processor</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>оптические когерентные решения</kwd><kwd>поляризация</kwd><kwd>Terabit Ethernet</kwd><kwd>C-диапазон</kwd><kwd>длина волны</kwd><kwd>сигнальный процессор</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Dell’Oro Group.report "AI Networks for AI workloads". Press Release January 16, 2024 [Электронный ресурс]. URL: https://www.delloro.com/news/ai-workloads-require-new-network-buildouts-expanding-data-center-switch-market-by-50-percent/ (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>OFC-2024. A Hybrid Conference – In-Person and Virtual Presentations. San Diego Convention Center, San Diego, California, USA. [Электронный ресурс]. URL: https://www.ofcconference.org/en-us/home/exhibition-and-show-floor-programs/ (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Коган С.С. Транспортные волоконно-оптические системы передачи (ВОСП) большой пропускной способности. Часть 1 // ПЕРВАЯ МИЛЯ. 2024. № 2. С. 44−54.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>LightReading. Optical Networking Digital Symposium / 15.02.2024. Simon Stanley, Analyst at Large, Heavy Reading [Электронный ресурс]. URL: https://event.on24.com/eventRegistration/EventLobbyServlet?target=reg20.jsp&amp;eventid=4412886&amp;sessionid=1&amp;key=76BA13B2D950221AFBD8C68B4420BBE5&amp;groupId=5107640&amp;sourcepage=register?partnerref (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Building Open Optical Right – Enabling the Network for the Next Decade, or More… [Электронный ресурс]. URL: https://www.infinera.com/blog/building-open-optical-right-enabling-the-network-for-the-next-decade-or-more/tag/optical/?mkt_tok=MjY0LUhCUS03MTQAAAGSANJnyW801Lo7rON01X34CLCwUXYuXkqM23bOtgyDk1Ga-xYRPMo1Ioif3yvkiMayDr8tqN9UfCbmeOojVxhdgcNxm8PLx9Mq3cx-8E8EJ (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Когерентные технологии для DWDM-сетей дальней связи. Переходя границу в 10G [Электронный ресурс]. URL: https://cyberleninka.ru/article/n/kogerentnye-tehnologii-dlya-dwdm-setey-dalney-svyazi-perehodya-granitsu-v-10g/viewer/. (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Оптический трансивер против оптического двигателя и CPO против OBO [Электронный ресурс]. URL: https://www.fibermall.com/ru/blog/optical-transceiver-engine-cpo-obo.htm. (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Enabling coherent optical communication with InP PICs [Электронный ресурс]. URL: https://compoundsemiconductor.net/article/117727/Enabling_coherent_optical_communication_with_InP_PICs. (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>EFFECT Photonics Verifies Fully Integrated InP PIC for World’s Smallest Digital ITLA for Coherent Applications. URL: https://effectphotonics.com/press-releases/worlds-smallest-digital-itla-for-coherent-applications/. (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>What’s Inside a Coherent DSP? [Электронный ресурс]. URL: https://effectphotonics.com/insights/whats-inside-a-coherent-dsp/ (дата обращения 26.04.2024).</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Cignal AI (Active Insight). 400ZR vs 800G – Classifying Coherent Technology. [Электронный ресурс]. URL: https://cignal.ai/2021/10/400zr-vs-800g-classifying-coherent-technology/ (дата обращения 26.04.2024).</mixed-citation></ref></ref-list></back></article>
