{"id":"https://openalex.org/W2037550833","doi":"https://doi.org/10.1515/nanoph-2013-0050","title":"Photonic crystal fiber amplifiers for high power ultrafast fiber lasers","display_name":"Photonic crystal fiber amplifiers for high power ultrafast fiber lasers","publication_year":2013,"publication_date":"2013-11-29","ids":{"openalex":"https://openalex.org/W2037550833","doi":"https://doi.org/10.1515/nanoph-2013-0050","mag":"2037550833"},"language":"en","primary_location":{"id":"doi:10.1515/nanoph-2013-0050","doi":"https://doi.org/10.1515/nanoph-2013-0050","is_oa":true,"landing_page_url":"https://doi.org/10.1515/nanoph-2013-0050","pdf_url":"https://www.degruyter.com/document/doi/10.1515/nanoph-2013-0050/pdf","source":{"id":"https://openalex.org/S2737520951","display_name":"Nanophotonics","issn_l":"2192-8606","issn":["2192-8606","2192-8614"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310313990","host_organization_name":"De Gruyter","host_organization_lineage":["https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nanophotonics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.degruyter.com/document/doi/10.1515/nanoph-2013-0050/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109081666","display_name":"Thomas Tanggaard Alkeskjold","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":true,"raw_author_name":"Thomas T. Alkeskjold","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065531980","display_name":"Marko Laurila","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Marko Laurila","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019035230","display_name":"Johannes Weirich","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Johannes Weirich","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109470350","display_name":"Mette Marie Johansen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Mette M. Johansen","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052131446","display_name":"Christina B. Olausson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Christina B. Olausson","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042455785","display_name":"Ole Lumholt","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Ole Lumholt","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086583578","display_name":"Danny Noordegraaf","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Danny Noordegraaf","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086444140","display_name":"Martin D. Maack","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Martin D. Maack","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047908574","display_name":"Christian Lund Jakobsen","orcid":"https://orcid.org/0000-0003-1101-0506","observed_orcids":["https://orcid.org/0000-0003-1101-0506"]},"institutions":[{"id":"https://openalex.org/I4210154645","display_name":"NKT Holding (Denmark)","ror":"https://ror.org/04zqx6d52","country_code":"DK","type":"company","lineage":["https://openalex.org/I4210154645"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Christian Jakobsen","raw_affiliation_strings":["NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NKT Photonics Blokken 84 3460 Birker\u00f8d Denmark","institution_ids":["https://openalex.org/I4210154645"]},{"raw_affiliation_string":"1NKT Photonics, Blokken 84, 3460 Birker\u00f8d, Denmark","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5109081666"],"corresponding_institution_ids":["https://openalex.org/I4210154645"],"apc_list":{"value":2650,"currency":"EUR","value_usd":2995},"apc_paid":null,"fwci":0.9822,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.78284901,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"2","issue":"5-6","first_page":"369","last_page":"381"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10846","display_name":"Photonic Crystal and Fiber Optics","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10846","display_name":"Photonic Crystal and Fiber Optics","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10732","display_name":"Laser Material Processing Techniques","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10988","display_name":"Advanced Fiber Laser Technologies","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/high-power-fiber-lasers","display_name":"high-power fiber lasers","score":0.7239999771118164},{"id":"https://openalex.org/keywords/ultrafast-fiber-lasers","display_name":"ultrafast fiber lasers","score":0.8330000042915344},{"id":"https://openalex.org/keywords/large-mode-area-fiber","display_name":"large-mode-area fiber","score":0.8820000290870667},{"id":"https://openalex.org/keywords/pulse-stretching","display_name":"pulse stretching","score":0.6729999780654907},{"id":"https://openalex.org/keywords/peak-power-scaling","display_name":"peak power scaling","score":0.609000027179718},{"id":"https://openalex.org/keywords/femtosecond-laser","display_name":"femtosecond laser","score":0.7559999823570251},{"id":"https://openalex.org/keywords/kilowatt-laser","display_name":"kilowatt laser","score":0.49799999594688416}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.8101177215576172},{"id":"https://openalex.org/C178596936","wikidata":"https://www.wikidata.org/wiki/Q844471","display_name":"Ultrashort pulse","level":3,"score":0.7670008540153503},{"id":"https://openalex.org/C107157254","wikidata":"https://www.wikidata.org/wiki/Q1256244","display_name":"Photonic-crystal fiber","level":3,"score":0.6826330423355103},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6263076663017273},{"id":"https://openalex.org/C17163034","wikidata":"https://www.wikidata.org/wiki/Q390528","display_name":"Fiber laser","level":3,"score":0.5912289619445801},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5485192537307739},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.5481137037277222},{"id":"https://openalex.org/C20788544","wikidata":"https://www.wikidata.org/wiki/Q467054","display_name":"Photonics","level":2,"score":0.5149558186531067},{"id":"https://openalex.org/C519885992","wikidata":"https://www.wikidata.org/wiki/Q161","display_name":"Fiber","level":2,"score":0.44367527961730957},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.42770177125930786},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.41080453991889954},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14365044236183167},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.0},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1515/nanoph-2013-0050","doi":"https://doi.org/10.1515/nanoph-2013-0050","is_oa":true,"landing_page_url":"https://doi.org/10.1515/nanoph-2013-0050","pdf_url":"https://www.degruyter.com/document/doi/10.1515/nanoph-2013-0050/pdf","source":{"id":"https://openalex.org/S2737520951","display_name":"Nanophotonics","issn_l":"2192-8606","issn":["2192-8606","2192-8614"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310313990","host_organization_name":"De Gruyter","host_organization_lineage":["https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nanophotonics","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:26a4b83880b54f2c92f0baf7c040cf6d","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/26a4b83880b54f2c92f0baf7c040cf6d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Nanophotonics, Vol 2, Iss 5-6, Pp 369-381 (2013)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1515/nanoph-2013-0050","doi":"https://doi.org/10.1515/nanoph-2013-0050","is_oa":true,"landing_page_url":"https://doi.org/10.1515/nanoph-2013-0050","pdf_url":"https://www.degruyter.com/document/doi/10.1515/nanoph-2013-0050/pdf","source":{"id":"https://openalex.org/S2737520951","display_name":"Nanophotonics","issn_l":"2192-8606","issn":["2192-8606","2192-8614"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310313990","host_organization_name":"De Gruyter","host_organization_lineage":["https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Nanophotonics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2037550833.pdf","grobid_xml":"https://content.openalex.org/works/W2037550833.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W1967873793","https://openalex.org/W1969504782","https://openalex.org/W1983508822","https://openalex.org/W1984324642","https://openalex.org/W1986193836","https://openalex.org/W1989717028","https://openalex.org/W1994028370","https://openalex.org/W1995964378","https://openalex.org/W1996802212","https://openalex.org/W1997553678","https://openalex.org/W1997725462","https://openalex.org/W2009978191","https://openalex.org/W2011439065","https://openalex.org/W2012895306","https://openalex.org/W2018707520","https://openalex.org/W2020359304","https://openalex.org/W2024031264","https://openalex.org/W2024465372","https://openalex.org/W2026010263","https://openalex.org/W2028347670","https://openalex.org/W2041246895","https://openalex.org/W2044747748","https://openalex.org/W2045714360","https://openalex.org/W2051532080","https://openalex.org/W2055534252","https://openalex.org/W2070421439","https://openalex.org/W2074134475","https://openalex.org/W2074857556","https://openalex.org/W2079465184","https://openalex.org/W2081297664","https://openalex.org/W2081478478","https://openalex.org/W2085036914","https://openalex.org/W2086906381","https://openalex.org/W2087596872","https://openalex.org/W2088608761","https://openalex.org/W2105033121","https://openalex.org/W2124258782","https://openalex.org/W2139973999","https://openalex.org/W2157677480","https://openalex.org/W2516470393","https://openalex.org/W4285719527","https://openalex.org/W6726059261"],"related_works":["https://openalex.org/W2536697238","https://openalex.org/W2790018234","https://openalex.org/W2069105534","https://openalex.org/W1990161812","https://openalex.org/W2791301034","https://openalex.org/W2025993023","https://openalex.org/W4413336582","https://openalex.org/W2903632376","https://openalex.org/W2104556863","https://openalex.org/W2115743383"],"abstract_inverted_index":{"Abstract":[0],"In":[1,65],"recent":[2],"years,":[3],"ultrafast":[4,83],"laser":[5,85],"systems":[6],"using":[7,38,46],"large\u2010mode\u2010area":[8],"fiber":[9],"amplifiers":[10,27,51,77],"delivering":[11],"several":[12],"hundreds":[13,30],"of":[14,16,31,35,43,74],"watts":[15],"average":[17],"power":[18,37,45],"has":[19],"attracted":[20],"significant":[21],"academic":[22],"and":[23,41,62,78],"industrial":[24],"interest.":[25],"These":[26,50],"can":[28],"generate":[29],"kilowatts":[32],"to":[33],"megawatts":[34],"peak":[36,44],"direct":[39],"amplification":[40],"multi\u2010gigawatts":[42],"pulse":[47],"stretching":[48],"techniques.":[49],"are":[52],"enabled":[53],"by":[54],"advancements":[55],"in":[56,82],"Photonic":[57],"Crystal":[58],"Fiber":[59],"(PCF)":[60],"design":[61],"manufacturing":[63],"technology.":[64],"this":[66],"paper,":[67],"we":[68],"will":[69],"give":[70],"a":[71],"short":[72],"overview":[73],"state\u2010of\u2010the\u2010art":[75],"PCF":[76],"describe":[79],"the":[80],"performance":[81],"ps":[84],"systems.":[86]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}