{"doi":"10.1364/josab.574864","title":"Efficient Raman shifting of microjoule pulses in N <sub>2</sub> -filled anti-resonant fiber","abstract":"We demonstrate efficient frequency down-conversion of femtosecond pulses based on the interplay of Raman-enhanced self-phase modulation and impulsive redshifting in N 2 -filled anti-resonant hollow-core fiber. With 20 µJ and 140 fs pulses at 1030 nm launched into a short length of fiber, pulses with durations below 100 fs are generated between 1100 and 1300 nm, with over 26% efficiency and above 5 µJ energy, for peak powers between 50 and 100 MW. The modest experimental requirements and highly efficient conversion make this a practical source for wavelength-specific applications.","journal":"Journal of the Optical Society of America B","year":2025,"id":574260,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":0,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9537,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2025-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":655069,"name":"Yi-Hao Chen","orcid":"0000-0002-4400-1983","position":1,"is_corresponding":false},{"id":592007,"name":"Wenchao Wang","orcid":"0000-0003-0757-4878","position":2,"is_corresponding":false},{"id":1481693,"name":"Francesco Tani","orcid":"0000-0001-6482-0647","position":3,"is_corresponding":false},{"id":1481694,"name":"Michael H. Frosz","orcid":"0000-0002-8857-0029","position":4,"is_corresponding":false},{"id":1481695,"name":"Jeffrey Moses","orcid":"0000-0002-2993-0100","position":5,"is_corresponding":false},{"id":264522,"name":"Chris Xu","orcid":"0000-0002-3493-6427","position":6,"is_corresponding":false},{"id":293064,"name":"Frank W. Wise","orcid":"0000-0001-8333-2470","position":7,"is_corresponding":false},{"id":1088186,"name":"Yishai Eisenberg","orcid":null,"position":0,"is_corresponding":true}],"reference_count":38,"raw_metadata":null,"created_at":"2026-07-19T02:57:40.686992Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}