{"id":"https://openalex.org/W2052013018","doi":"https://doi.org/10.1364/oe.18.012690","title":"Ion-exchanged Er^3+/Yb^3+ co-doped waveguide amplifiers longitudinally pumped by broad area lasers","display_name":"Ion-exchanged Er^3+/Yb^3+ co-doped waveguide amplifiers longitudinally pumped by broad area lasers","publication_year":2010,"publication_date":"2010-05-28","ids":{"openalex":"https://openalex.org/W2052013018","doi":"https://doi.org/10.1364/oe.18.012690","mag":"2052013018","pmid":"https://pubmed.ncbi.nlm.nih.gov/20588397"},"language":"en","primary_location":{"id":"doi:10.1364/oe.18.012690","doi":"https://doi.org/10.1364/oe.18.012690","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.18.012690","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","datacite","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1364/oe.18.012690","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5106691098","display_name":"V. Donzella","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I162290304","display_name":"Scuola Superiore Sant'Anna","ror":"https://ror.org/025602r80","country_code":"IT","type":"education","lineage":["https://openalex.org/I162290304"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"V. Donzella","raw_affiliation_strings":["Scuola Superiore Sant'Anna, Piazza Martiri della Libert\u00e0 33, 56127 Pisa, Italy. v.donzella@sssup.it","Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Scuola Superiore Sant'Anna, Piazza Martiri della Libert\u00e0 33, 56127 Pisa, Italy. v.donzella@sssup.it","institution_ids":["https://openalex.org/I162290304"]},{"raw_affiliation_string":"Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy","institution_ids":["https://openalex.org/I162290304"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015625484","display_name":"V. Toccafondo","orcid":"https://orcid.org/0000-0002-6854-7438","observed_orcids":["https://orcid.org/0000-0002-6854-7438"]},"institutions":[{"id":"https://openalex.org/I162290304","display_name":"Scuola Superiore Sant'Anna","ror":"https://ror.org/025602r80","country_code":"IT","type":"education","lineage":["https://openalex.org/I162290304"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"V. Toccafondo","raw_affiliation_strings":["Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy","institution_ids":["https://openalex.org/I162290304"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056359594","display_name":"S. Faralli","orcid":"https://orcid.org/0000-0002-5783-1767","observed_orcids":["https://orcid.org/0000-0002-5783-1767"]},"institutions":[{"id":"https://openalex.org/I162290304","display_name":"Scuola Superiore Sant'Anna","ror":"https://ror.org/025602r80","country_code":"IT","type":"education","lineage":["https://openalex.org/I162290304"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"S. Faralli","raw_affiliation_strings":["Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy","institution_ids":["https://openalex.org/I162290304"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042366911","display_name":"Fabrizio Di Pasquale","orcid":"https://orcid.org/0000-0003-0794-2626","observed_orcids":["https://orcid.org/0000-0003-0794-2626"]},"institutions":[{"id":"https://openalex.org/I162290304","display_name":"Scuola Superiore Sant'Anna","ror":"https://ror.org/025602r80","country_code":"IT","type":"education","lineage":["https://openalex.org/I162290304"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"F. Di Pasquale","raw_affiliation_strings":["Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Scuola Superiore Sant\u2019Anna, Piazza Martiri della Libert\u00e0, 33 \u2013 56127 Pisa, Italy","institution_ids":["https://openalex.org/I162290304"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065592232","display_name":"C. Cassagnettes","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210124567","display_name":"Teem Photonics (France)","ror":"https://ror.org/02t80dd48","country_code":"FR","type":"company","lineage":["https://openalex.org/I4210124567"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"C. Cassagnettes","raw_affiliation_strings":["Teem Photonics, 61 Chemin du vieux ch\u00eane, 38240 Meylan, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teem Photonics, 61 Chemin du vieux ch\u00eane, 38240 Meylan, France","institution_ids":["https://openalex.org/I4210124567"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078922845","display_name":"Denis Barbier","orcid":"https://orcid.org/0000-0002-7601-0163","observed_orcids":["https://orcid.org/0000-0002-7601-0163"]},"institutions":[{"id":"https://openalex.org/I4210124567","display_name":"Teem Photonics (France)","ror":"https://ror.org/02t80dd48","country_code":"FR","type":"company","lineage":["https://openalex.org/I4210124567"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"D. Barbier","raw_affiliation_strings":["Teem Photonics, 61 Chemin du vieux ch\u00eane, 38240 Meylan, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teem Photonics, 61 Chemin du vieux ch\u00eane, 38240 Meylan, France","institution_ids":["https://openalex.org/I4210124567"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012128210","display_name":"Hugo Enrique Hernandez-Figueroa","orcid":"https://orcid.org/0000-0003-2419-6979","observed_orcids":["https://orcid.org/0000-0003-2419-6979"]},"institutions":[{"id":"https://openalex.org/I181391015","display_name":"Universidade Estadual de Campinas (UNICAMP)","ror":"https://ror.org/04wffgt70","country_code":"BR","type":"education","lineage":["https://openalex.org/I181391015"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"H. Hernandez Figueroa","raw_affiliation_strings":["Microwave and Optics Department, DMO, School of Electrical and Computer Engineering, State University of Campinas, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microwave and Optics Department, DMO, School of Electrical and Computer Engineering, State University of Campinas, Brazil","institution_ids":["https://openalex.org/I181391015"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2270,"currency":"USD","value_usd":2270},"apc_paid":{"value":2270,"currency":"USD","value_usd":2270},"fwci":0.9802,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.78085679,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"18","issue":"12","first_page":"12690","last_page":"12690"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.6782000064849854,"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/T10299","display_name":"Photonic and Optical Devices","score":0.6782000064849854,"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/T11127","display_name":"Solid State Laser Technologies","score":0.17679999768733978,"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/T10544","display_name":"Glass properties and applications","score":0.09309999644756317,"subfield":{"id":"https://openalex.org/subfields/2503","display_name":"Ceramics and Composites"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ion-exchange","display_name":"ion exchange","score":0.8019999861717224},{"id":"https://openalex.org/keywords/broad-area-lasers","display_name":"broad-area lasers","score":0.8479999899864197},{"id":"https://openalex.org/keywords/980-nm-pumping","display_name":"980 nm pumping","score":0.8949999809265137},{"id":"https://openalex.org/keywords/multimode-pumping","display_name":"multimode pumping","score":0.7390000224113464},{"id":"https://openalex.org/keywords/energy-transfer","display_name":"energy transfer","score":0.578000009059906},{"id":"https://openalex.org/keywords/silicate-glass","display_name":"silicate glass","score":0.7570000290870667},{"id":"https://openalex.org/keywords/phosphate-glass","display_name":"phosphate glass","score":1.0},{"id":"https://openalex.org/keywords/integrated-optical-amplifiers","display_name":"integrated optical amplifiers","score":0.8989999890327454},{"id":"https://openalex.org/keywords/small-signal-gain","display_name":"small-signal gain","score":0.8820000290870667},{"id":"https://openalex.org/keywords/three-dimensional-finite-element-model","display_name":"three-dimensional finite element model","score":0.8220000267028809}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7704870700836182},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.7678154706954956},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.6570268869400024},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5859348177909851},{"id":"https://openalex.org/C101649071","wikidata":"https://www.wikidata.org/wiki/Q1359305","display_name":"Optical amplifier","level":3,"score":0.5763051509857178},{"id":"https://openalex.org/C2781094431","wikidata":"https://www.wikidata.org/wiki/Q7187431","display_name":"Phosphate glass","level":3,"score":0.54608154296875},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5458134412765503},{"id":"https://openalex.org/C101645829","wikidata":"https://www.wikidata.org/wiki/Q1781857","display_name":"Multi-mode optical fiber","level":3,"score":0.5085657835006714},{"id":"https://openalex.org/C200687136","wikidata":"https://www.wikidata.org/wiki/Q11233438","display_name":"Waveguide","level":2,"score":0.49389511346817017},{"id":"https://openalex.org/C57863236","wikidata":"https://www.wikidata.org/wiki/Q1130571","display_name":"Doping","level":2,"score":0.23734089732170105},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15078121423721313},{"id":"https://openalex.org/C194232370","wikidata":"https://www.wikidata.org/wiki/Q162","display_name":"Optical fiber","level":2,"score":0.12905147671699524},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.0}],"mesh":[],"locations_count":8,"locations":[{"id":"doi:10.1364/oe.18.012690","doi":"https://doi.org/10.1364/oe.18.012690","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.18.012690","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},{"id":"pmid:20588397","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/20588397","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics express","raw_type":"Journal Article"},{"id":"pmh:oai:repositorio.unicamp.br:REPOSIP/60696","doi":null,"is_oa":true,"landing_page_url":"http://www.repositorio.unicamp.br/jspui/handle/REPOSIP/60696","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Web of Science","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:americanae.aecid.es:2825929","doi":null,"is_oa":true,"landing_page_url":"http://americanae.aecid.es/americanae/es/registros/registro.do?tipoRegistro=MTD&idBib=2825929","pdf_url":null,"source":{"id":"https://openalex.org/S4306400786","display_name":"Americanae (AECID Library)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Web of Science","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:www.iris.sssup.it:11382/305985","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11382/305985","pdf_url":null,"source":{"id":"https://openalex.org/S4377196376","display_name":"CINECA IRIS Institutional Research Information System (Sant'Anna School of Advanced Studies)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I162290304","host_organization_name":"Scuola Superiore Sant'Anna","host_organization_lineage":["https://openalex.org/I162290304"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:zenodo.org:111401","doi":null,"is_oa":true,"landing_page_url":"https://www.openaccessrepository.it/record/111401","pdf_url":null,"source":{"id":"https://openalex.org/S4306402478","display_name":"INFM-OAR (INFN Catania)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210116497","host_organization_name":"Istituto Nazionale di Fisica Nucleare, Sezione di Catania","host_organization_lineage":["https://openalex.org/I4210116497"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},{"id":"doi:10.60692/77xp6-r7k68","doi":"https://doi.org/10.60692/77xp6-r7k68","is_oa":true,"landing_page_url":"https://doi.org/10.60692/77xp6-r7k68","pdf_url":null,"source":{"id":"https://openalex.org/S7407051682","display_name":"Greater South Information System","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},{"id":"doi:10.60692/s3vba-b7c95","doi":"https://doi.org/10.60692/s3vba-b7c95","is_oa":true,"landing_page_url":"https://doi.org/10.60692/s3vba-b7c95","pdf_url":null,"source":{"id":"https://openalex.org/S7407051682","display_name":"Greater South Information System","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.1364/oe.18.012690","doi":"https://doi.org/10.1364/oe.18.012690","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.18.012690","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1451389834","https://openalex.org/W1567816704","https://openalex.org/W1967793480","https://openalex.org/W1968810918","https://openalex.org/W1972700779","https://openalex.org/W1978089321","https://openalex.org/W1979947620","https://openalex.org/W2001969993","https://openalex.org/W2039253720","https://openalex.org/W2041597836","https://openalex.org/W2057259508","https://openalex.org/W2061976905","https://openalex.org/W2087384159","https://openalex.org/W2101435668","https://openalex.org/W2112529447","https://openalex.org/W2121879227","https://openalex.org/W2139590313","https://openalex.org/W2140518671","https://openalex.org/W2154539530","https://openalex.org/W2159416242","https://openalex.org/W2163417021","https://openalex.org/W2166587006","https://openalex.org/W2167387182","https://openalex.org/W2168377053","https://openalex.org/W2265786908","https://openalex.org/W4238501317","https://openalex.org/W4256501225"],"related_works":["https://openalex.org/W2169359577","https://openalex.org/W2163417021","https://openalex.org/W2265786908","https://openalex.org/W4392748244","https://openalex.org/W2555294405","https://openalex.org/W1482267653","https://openalex.org/W2005560576","https://openalex.org/W1615750080","https://openalex.org/W2257465641","https://openalex.org/W1572052444"],"abstract_inverted_index":{"A":[0],"multimode":[1,110],"pumping":[2],"scheme":[3],"for":[4,92],"Er(3+)/Yb(3+)":[5],"co-doped":[6],"waveguide":[7],"amplifiers":[8],"based":[9],"on":[10,29],"broad":[11,54],"area":[12,55],"lasers":[13],"at":[14],"around":[15],"980":[16],"nm":[17],"is":[18,23],"presented.":[19],"The":[20,34,67],"proposed":[21],"amplifier":[22,100],"fabricated":[24],"by":[25],"ion-exchange":[26],"(IE)":[27],"technique":[28],"silicate":[30],"and":[31,51,63,72,82],"phosphate":[32],"glasses.":[33],"highly":[35],"efficient":[36],"energy":[37],"transfer":[38],"from":[39],"Yb(3+)":[40],"to":[41],"Er(3+)":[42],"ions,":[43],"combined":[44],"with":[45],"the":[46,58,108],"use":[47],"of":[48,60,98,107],"low":[49],"cost":[50],"high":[52,61],"power":[53],"laser,":[56],"allows":[57],"realization":[59],"performance":[62],"cost-effective":[64],"integrated":[65],"amplifiers.":[66],"structure":[68,101],"has":[69,89],"been":[70,90],"designed":[71],"numerically":[73],"studied":[74],"using":[75],"a":[76,103],"3D":[77],"finite":[78],"element":[79],"modelling":[80],"tool,":[81],"over":[83],"3":[84],"dB/cm":[85],"small":[86],"signal":[87],"gain":[88],"predicted":[91],"an":[93,99],"optimized":[94],"amplifier.":[95],"Preliminary":[96],"characterization":[97],"provides":[102],"first":[104],"experimental":[105],"evidence":[106],"novel":[109],"longitudinal":[111],"pumping.":[112]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}