{"id":"https://openalex.org/W7168291986","doi":"https://doi.org/10.1021/acsphotonics.6c01778","title":"Photonic-Crystal Microresonator Frequency Combs in the O-Band","display_name":"Photonic-Crystal Microresonator Frequency Combs in the O-Band","publication_year":2026,"publication_date":"2026-11-06","ids":{"openalex":"https://openalex.org/W7168291986","doi":"https://doi.org/10.1021/acsphotonics.6c01778"},"language":"en","primary_location":{"id":"doi:10.1021/acsphotonics.6c01778","doi":"https://doi.org/10.1021/acsphotonics.6c01778","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acsphotonics.6c01778","pdf_url":null,"source":{"id":"https://openalex.org/S135184319","display_name":"ACS Photonics","issn_l":"2330-4022","issn":["2330-4022"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Photonics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2607.10025","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028738572","display_name":"Sarang Yeola","orcid":"https://orcid.org/0009-0007-6266-4004","observed_orcids":["https://orcid.org/0009-0007-6266-4004"]},"institutions":[{"id":"https://openalex.org/I1321296531","display_name":"National Institute of Standards and Technology","ror":"https://ror.org/05xpvk416","country_code":"US","type":"government","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065"]},{"id":"https://openalex.org/I188538660","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026","country_code":"US","type":"education","lineage":["https://openalex.org/I188538660"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Sarang Yeola","raw_affiliation_strings":["National Institute of Standards and Technology , , , ,","University of Colorado Boulder , , , ,"],"raw_orcid":"https://orcid.org/0009-0007-6266-4004","affiliations":[{"raw_affiliation_string":"National Institute of Standards and Technology , , , ,","institution_ids":["https://openalex.org/I1321296531"]},{"raw_affiliation_string":"University of Colorado Boulder , , , ,","institution_ids":["https://openalex.org/I188538660"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022375848","display_name":"Alexa R. Carollo","orcid":"https://orcid.org/0009-0000-1005-1520","observed_orcids":["https://orcid.org/0009-0000-1005-1520"]},"institutions":[{"id":"https://openalex.org/I1321296531","display_name":"National Institute of Standards and Technology","ror":"https://ror.org/05xpvk416","country_code":"US","type":"government","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alexa R. Carollo","raw_affiliation_strings":["National Institute of Standards and Technology , , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Standards and Technology , , , ,","institution_ids":["https://openalex.org/I1321296531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5140585342","display_name":"Jizhao Zang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1321296531","display_name":"National Institute of Standards and Technology","ror":"https://ror.org/05xpvk416","country_code":"US","type":"government","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065"]},{"id":"https://openalex.org/I921990950","display_name":"University of Colorado Denver","ror":"https://ror.org/02hh7en24","country_code":"US","type":"education","lineage":["https://openalex.org/I921990950"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jizhao Zang","raw_affiliation_strings":["National Institute of Standards and Technology , , , ,","University of Colorado Denver , , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Standards and Technology , , , ,","institution_ids":["https://openalex.org/I1321296531"]},{"raw_affiliation_string":"University of Colorado Denver , , , ,","institution_ids":["https://openalex.org/I921990950"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071285844","display_name":"Scott B. Papp","orcid":"https://orcid.org/0000-0001-8290-7076","observed_orcids":["https://orcid.org/0000-0001-8290-7076"]},"institutions":[{"id":"https://openalex.org/I1321296531","display_name":"National Institute of Standards and Technology","ror":"https://ror.org/05xpvk416","country_code":"US","type":"government","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065"]},{"id":"https://openalex.org/I188538660","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026","country_code":"US","type":"education","lineage":["https://openalex.org/I188538660"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Scott B. Papp","raw_affiliation_strings":["National Institute of Standards and Technology , , , ,","University of Colorado Boulder , , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Standards and Technology , , , ,","institution_ids":["https://openalex.org/I1321296531"]},{"raw_affiliation_string":"University of Colorado Boulder , , , ,","institution_ids":["https://openalex.org/I188538660"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5028738572"],"corresponding_institution_ids":["https://openalex.org/I1321296531","https://openalex.org/I188538660"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10988","display_name":"Advanced Fiber Laser Technologies","score":0.9276999831199646,"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"}},"topics":[{"id":"https://openalex.org/T10988","display_name":"Advanced Fiber Laser Technologies","score":0.9276999831199646,"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"}},{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.03099999949336052,"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/T10846","display_name":"Photonic Crystal and Fiber Optics","score":0.012799999676644802,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/kerr-frequency-combs","display_name":"Kerr frequency combs","score":0.9340000152587891},{"id":"https://openalex.org/keywords/soliton-microcombs","display_name":"soliton microcombs","score":0.9169999957084656},{"id":"https://openalex.org/keywords/o-band","display_name":"O-band","score":0.7910000085830688},{"id":"https://openalex.org/keywords/ta2o5","display_name":"tantalum pentoxide","score":0.9300000071525574},{"id":"https://openalex.org/keywords/silicon-dioxide-cladding","display_name":"silicon dioxide cladding","score":0.8830000162124634},{"id":"https://openalex.org/keywords/normal-dispersion","display_name":"normal dispersion","score":0.8510000109672546},{"id":"https://openalex.org/keywords/quality-factor","display_name":"quality factor","score":0.5649999976158142},{"id":"https://openalex.org/keywords/relative-intensity-noise","display_name":"relative intensity noise","score":0.9150000214576721},{"id":"https://openalex.org/keywords/shot-noise-limit","display_name":"shot-noise limit","score":0.8539999723434448},{"id":"https://openalex.org/keywords/phase-matching","display_name":"phase matching","score":0.7179999947547913}],"concepts":[{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.6672999858856201},{"id":"https://openalex.org/C138234222","wikidata":"https://www.wikidata.org/wiki/Q1455602","display_name":"Frequency comb","level":3,"score":0.6553999781608582},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.652999997138977},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.6370000243186951},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5827000141143799},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4715999960899353},{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.4020000100135803},{"id":"https://openalex.org/C87651913","wikidata":"https://www.wikidata.org/wiki/Q464949","display_name":"Soliton","level":3,"score":0.39489999413490295},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3926999866962433},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.3887999951839447},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.37220001220703125},{"id":"https://openalex.org/C2778460333","wikidata":"https://www.wikidata.org/wiki/Q4228979","display_name":"Optical ring resonators","level":3,"score":0.35359999537467957},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3465000092983246},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.33629998564720154},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.31709998846054077},{"id":"https://openalex.org/C20788544","wikidata":"https://www.wikidata.org/wiki/Q467054","display_name":"Photonics","level":2,"score":0.3091000020503998},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.30410000681877136},{"id":"https://openalex.org/C2776948285","wikidata":"https://www.wikidata.org/wiki/Q425103","display_name":"Tantalum pentoxide","level":3,"score":0.3003999888896942},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.2955000102519989},{"id":"https://openalex.org/C204517386","wikidata":"https://www.wikidata.org/wiki/Q7310795","display_name":"Relative intensity noise","level":4,"score":0.2883000075817108},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.28610000014305115},{"id":"https://openalex.org/C17163034","wikidata":"https://www.wikidata.org/wiki/Q390528","display_name":"Fiber laser","level":3,"score":0.2802000045776367},{"id":"https://openalex.org/C119423029","wikidata":"https://www.wikidata.org/wiki/Q3749103","display_name":"Silicon photonics","level":3,"score":0.2687999904155731},{"id":"https://openalex.org/C148651041","wikidata":"https://www.wikidata.org/wiki/Q2027473","display_name":"Optical pumping","level":3,"score":0.2676999866962433},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.26750001311302185},{"id":"https://openalex.org/C180861198","wikidata":"https://www.wikidata.org/wiki/Q3503585","display_name":"Single-mode optical fiber","level":3,"score":0.2653000056743622},{"id":"https://openalex.org/C191154138","wikidata":"https://www.wikidata.org/wiki/Q1059326","display_name":"Supercontinuum","level":4,"score":0.26429998874664307},{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.2628999948501587},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.259799987077713},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.2574000060558319},{"id":"https://openalex.org/C544956773","wikidata":"https://www.wikidata.org/wiki/Q670","display_name":"Silicon","level":2,"score":0.25540000200271606},{"id":"https://openalex.org/C2778116611","wikidata":"https://www.wikidata.org/wiki/Q25110567","display_name":"Frequency band","level":3,"score":0.2506999969482422}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1021/acsphotonics.6c01778","doi":"https://doi.org/10.1021/acsphotonics.6c01778","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acsphotonics.6c01778","pdf_url":null,"source":{"id":"https://openalex.org/S135184319","display_name":"ACS Photonics","issn_l":"2330-4022","issn":["2330-4022"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Photonics","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2607.10025","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2607.10025","pdf_url":"https://arxiv.org/pdf/2607.10025","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2607.10025","doi":"https://doi.org/10.48550/arxiv.2607.10025","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2607.10025","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2607.10025","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2607.10025","pdf_url":"https://arxiv.org/pdf/2607.10025","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332178","display_name":"National Institute of Standards and Technology","ror":"https://ror.org/05xpvk416"},{"id":"https://openalex.org/F4320337471","display_name":"Office of Multidisciplinary Activities","ror":"https://ror.org/01sharn77"},{"id":"https://openalex.org/F4320337531","display_name":"Defense Sciences Office, DARPA","ror":"https://ror.org/0447fe631"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7168291986.pdf","grobid_xml":"https://content.openalex.org/works/W7168291986.grobid-xml"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W1937893055","https://openalex.org/W1980639883","https://openalex.org/W2017627271","https://openalex.org/W2031943897","https://openalex.org/W2056288496","https://openalex.org/W2094470054","https://openalex.org/W2149892907","https://openalex.org/W2802777054","https://openalex.org/W2974287025","https://openalex.org/W3006923768","https://openalex.org/W3044393722","https://openalex.org/W3196101422","https://openalex.org/W3197868233","https://openalex.org/W3206091767","https://openalex.org/W4382726075","https://openalex.org/W4386324871","https://openalex.org/W4401973812","https://openalex.org/W4405936470","https://openalex.org/W4408099748","https://openalex.org/W4408161163","https://openalex.org/W4410915532","https://openalex.org/W4412165578","https://openalex.org/W4415241252","https://openalex.org/W7125919985","https://openalex.org/W7133311338","https://openalex.org/W7154135060","https://openalex.org/W7154478396","https://openalex.org/W7154827524"],"related_works":["https://openalex.org/W4408099748","https://openalex.org/W4408612666","https://openalex.org/W4406092781","https://openalex.org/W3135393069","https://openalex.org/W4414561316","https://openalex.org/W4399873086","https://openalex.org/W7168427556","https://openalex.org/W4244176144","https://openalex.org/W3002102817","https://openalex.org/W2896709900"],"abstract_inverted_index":{"Abstract":[0],"Photonic-crystal":[1],"microresonators":[2],"(PhCRs)":[3],"are":[4,18],"a":[5,40,99,116,138,148,164],"powerful":[6],"platform":[7,45,162],"for":[8,171],"generating":[9],"Kerr":[10],"frequency":[11],"combs.":[12],"Because":[13],"Kerr-soliton":[14],"dynamics":[15],"in":[16,49,134,159,173],"PhCRs":[17,70,105],"largely":[19],"decoupled":[20],"from":[21,109],"the":[22,25,34,50,69,128,135,143,160],"operating":[23],"wavelength,":[24],"comb":[26,96,113,144],"output":[27,145],"can":[28],"be":[29],"engineered":[30],"through":[31],"customization":[32],"of":[33],"device":[35,118],"layer.":[36],"Here,":[37],"we":[38,57,90,141],"demonstrate":[39],"tantalum":[41],"pentoxide":[42],"(tantala)":[43],"PhCR":[44,157],"that":[46],"supports":[47],"operation":[48],"1310":[51],"and":[52,56,75,93,176],"1550":[53],"nm":[54],"bands,":[55],"explore":[58],"high-efficiency":[59],"O-band":[60,152],"soliton":[61,95],"microcombs":[62,170],"using":[63],"all-semiconductor":[64],"laser":[65],"pumps.":[66],"We":[67],"engineer":[68],"with":[71],"silicon":[72],"dioxide":[73],"cladding":[74],"normal":[76],"dispersion,":[77],"achieving":[78],"intrinsic":[79],"quality":[80],"factors":[81],"exceeding":[82],"7":[83],"\u00d7":[84],"106.":[85],"By":[86],"pumping":[87],"bandgap":[88],"modes,":[89],"obtain":[91],"robust":[92],"efficient":[94],"formation":[97],"at":[98],"200":[100],"GHz":[101],"mode":[102],"spacing.":[103],"Our":[104],"enable":[106],"systematic":[107],"tuning":[108],"narrowband":[110],"to":[111,150,167],"broadband":[112],"states":[114],"within":[115],"single":[117],"geometry.":[119],"The":[120],"combs":[121],"exhibit":[122],"low":[123],"relative":[124],"intensity":[125],"noise":[126],"approaching":[127],"shot-noise":[129],"limit,":[130],"indicating":[131],"stable":[132],"phase-matching":[133],"PhCR.":[136],"Using":[137],"drop-port":[139],"coupler,":[140],"amplify":[142],"off-chip,":[146],"demonstrating":[147],"pathway":[149],"high-power":[151],"sources.":[153],"These":[154],"results":[155],"establish":[156],"engineering":[158],"tantala":[161],"as":[163],"scalable":[165],"approach":[166],"wavelength-agile,":[168],"low-noise":[169],"applications":[172],"communications,":[174],"sensing,":[175],"signaling.":[177]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2026-07-15T00:00:00"}