We report an improved antiresonant hollow core fiber (HCF) with triple-nested tubes to minimise loss at SMF-type 250\u03bcm coating diameters. When MFD-matched to SMF, the fiber has 0.54 dB\/km and record bend-loss performance. Increasing its MFD by ~30% produces 0.25 and 0.35dB\/km at 1550 and 1310nm, respectively.<\/p>\n","protected":false},"excerpt":{"rendered":"
We report an improved antiresonant hollow core fiber (HCF) with triple-nested tubes to minimise loss at SMF-type 250\u03bcm coating diameters. When MFD-matched to SMF, the fiber has 0.54 dB\/km and record bend-loss performance. Increasing its MFD by ~30% produces 0.25 and 0.35dB\/km at 1550 and 1310nm, respectively.<\/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-1153334","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:\/\/cm-edgetun.pages.dev\/en-us\/research\/wp-content\/uploads\/2025\/10\/First-Triple-Nested-Antiresonant-Nodeless-Hollow-Core-Fiber-HCF-TNANF-Achieving-0.25-dBkm-Loss-with-Small-Glass-Coating-Diameters.pdf","id":"1153335","title":"first-triple-nested-antiresonant-nodeless-hollow-core-fiber-hcf-tnanf-achieving-0-25-dbkm-loss-with-small-glass-coating-diameters","label_id":"243109","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":1153335,"url":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/wp-content\/uploads\/2025\/10\/First-Triple-Nested-Antiresonant-Nodeless-Hollow-Core-Fiber-HCF-TNANF-Achieving-0.25-dBkm-Loss-with-Small-Glass-Coating-Diameters.pdf"}],"msr-author-ordering":[{"type":"text","value":"Ghafour Amouzad Mahdiraji","user_id":0,"rest_url":false},{"type":"text","value":"Gregory Jackson","user_id":0,"rest_url":false},{"type":"text","value":"Seyed Mohammad Abokhamis Mousavi","user_id":0,"rest_url":false},{"type":"text","value":"Naveen Krishna Baddela","user_id":0,"rest_url":false},{"type":"text","value":"Jaroslaw Rzegocki","user_id":0,"rest_url":false},{"type":"text","value":"Gianluca Guerra","user_id":0,"rest_url":false},{"type":"text","value":"Mahmudur Rahman","user_id":0,"rest_url":false},{"type":"text","value":"Chiang Ping Saw","user_id":0,"rest_url":false},{"type":"text","value":"Ian A. 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