We investigate real-time, long-haul HCF transmission up to 11,154 km using ~360-km recirculating loop with ~120-km average span length and 34.5-dBm launch power. Data-rates of 25.6 Tb\/s@ 1,439.2 km, 20.6 Tb\/s@2,878.4 km are achieved with fully loaded ~130-Gbaud C-band signals and 10.3 Tb\/s beyond 6,000km.<\/p>\n","protected":false},"excerpt":{"rendered":"
We investigate real-time, long-haul HCF transmission up to 11,154 km using ~360-km recirculating loop with ~120-km average span length and 34.5-dBm launch power. Data-rates of 25.6 Tb\/s@ 1,439.2 km, 20.6 Tb\/s@2,878.4 km are achieved with fully loaded ~130-Gbaud C-band signals and 10.3 Tb\/s beyond 6,000km.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"European Conference Optical Communication (ECOC)","msr_doi":"","msr_arxiv_id":"","msr_s2_paper_id":"","msr_mag_id":"","msr_pubmed_id":"","msr_other_authors":"","msr_other_contributors":"","msr_speaker":"","msr_award":"","msr_affiliation":"","msr_institution":"","msr_host":"","msr_version":"","msr_duration":"","msr_original_fields_of_study":"","msr_release_tracker_id":"","msr_s2_match_type":"","msr_citation_count_updated":"","msr_published_date":"2025-10-1","msr_highlight_text":"","msr_notes":"","msr_longbiography":"","msr_publicationurl":"","msr_external_url":"","msr_secondary_video_url":"","msr_conference_url":"https:\/\/ecoc2025.org\/","msr_journal_url":"","msr_s2_pdf_url":"","msr_year":0,"msr_citation_count":0,"msr_influential_citations":0,"msr_reference_count":0,"msr_s2_match_confidence":0,"msr_microsoftintellectualproperty":true,"msr_s2_open_access":false,"msr_s2_author_ids":[],"msr_pub_ids":[],"msr_hide_image_in_river":null,"footnotes":""},"msr-research-highlight":[],"research-area":[13547],"msr-publication-type":[193716],"msr-publisher":[],"msr-focus-area":[],"msr-locale":[268875],"msr-post-option":[269148,269142],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-1152829","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-systems-and-networking","msr-locale-en_us","msr-post-option-approved-for-river","msr-post-option-include-in-river"],"msr_publishername":"","msr_edition":"","msr_affiliation":"","msr_published_date":"2025-10-1","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"","msr_number":"","msr_editors":"","msr_series":"","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"","msr_publicationurl":"","msr_doi":"","msr_publication_uploader":[{"type":"file","viewUrl":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/10\/Real-Time-Fully-Loaded-C-band-Low-Latency-Long-Haul-Transmission-over-Hollow-Core-Fiber.pdf","id":"1153328","title":"real-time-fully-loaded-c-band-low-latency-long-haul-transmission-over-hollow-core-fiber","label_id":"243132","label":0}],"msr_related_uploader":"","msr_citation_count":0,"msr_citation_count_updated":"","msr_s2_paper_id":"","msr_influential_citations":0,"msr_reference_count":0,"msr_arxiv_id":"","msr_s2_author_ids":[],"msr_s2_open_access":false,"msr_s2_pdf_url":null,"msr_attachments":[{"id":1153328,"url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/10\/Real-Time-Fully-Loaded-C-band-Low-Latency-Long-Haul-Transmission-over-Hollow-Core-Fiber.pdf"},{"id":1152831,"url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2025\/10\/Real-Time-Fully-Loaded-C-band-Low-Latency-Long-Haul-Transmission-over-HCF.pdf"}],"msr-author-ordering":[{"type":"text","value":"Y. 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