{"id":"https://openalex.org/W2124196787","doi":"https://doi.org/10.1109/jqe.1977.1069334","title":"Changes in the optical properties of CW (AlGa)As junction lasers during accelerated aging","display_name":"Changes in the optical properties of CW (AlGa)As junction lasers during accelerated aging","publication_year":1977,"publication_date":"1977-05-01","ids":{"openalex":"https://openalex.org/W2124196787","doi":"https://doi.org/10.1109/jqe.1977.1069334","mag":"2124196787"},"language":"en","primary_location":{"id":"doi:10.1109/jqe.1977.1069334","doi":"https://doi.org/10.1109/jqe.1977.1069334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jqe.1977.1069334","pdf_url":null,"source":{"id":"https://openalex.org/S80223966","display_name":"IEEE Journal of Quantum Electronics","issn_l":"0018-9197","issn":["0018-9197","1558-1713"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-2","norway-2","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310322178","host_organization_name":"IEEE Photonics Society","host_organization_lineage":["https://openalex.org/P4310322178","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Photonics Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Quantum Electronics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5032584856","display_name":"T. L. Paoli","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1283103587","display_name":"AT&T (United States)","ror":"https://ror.org/02bbd5539","country_code":"US","type":"company","lineage":["https://openalex.org/I1283103587"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"T. Paoli","raw_affiliation_strings":["Bell Laboratories, Murray Hill, NJ, USA","Bell Telephone Laboratories, Inc., Murray Hill, NJ, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bell Laboratories, Murray Hill, NJ, USA","institution_ids":["https://openalex.org/I1283103587"]},{"raw_affiliation_string":"Bell Telephone Laboratories, Inc., Murray Hill, NJ, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5032584856"],"corresponding_institution_ids":["https://openalex.org/I1283103587"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":null,"fwci":31.1368,"has_fulltext":false,"cited_by_count":109,"citation_normalized_percentile":{"value":0.99910274,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":"5","first_page":"351","last_page":"359"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","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/T11429","display_name":"Semiconductor Lasers and Optical Devices","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/T10022","display_name":"Semiconductor Quantum Structures and Devices","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"}},{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":9.999999747378752e-05,"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/gaalas-laser","display_name":"GaAlAs laser","score":0.800000011920929},{"id":"https://openalex.org/keywords/double-heterostructure-lasers","display_name":"double-heterostructure lasers","score":0.8360000252723694},{"id":"https://openalex.org/keywords/accelerated-aging","display_name":"accelerated aging","score":0.9179999828338623},{"id":"https://openalex.org/keywords/laser-aging","display_name":"laser aging","score":0.4909999966621399},{"id":"https://openalex.org/keywords/optical-properties","display_name":"optical properties","score":0.7630000114440918},{"id":"https://openalex.org/keywords/laser-frequency-stability","display_name":"laser frequency stability","score":0.44200000166893005},{"id":"https://openalex.org/keywords/dark-line-defects","display_name":"dark line defects","score":0.8659999966621399}],"concepts":[{"id":"https://openalex.org/C40637687","wikidata":"https://www.wikidata.org/wiki/Q676237","display_name":"Lasing threshold","level":3,"score":0.9062005281448364},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.8175164461135864},{"id":"https://openalex.org/C121477167","wikidata":"https://www.wikidata.org/wiki/Q17154002","display_name":"Semiconductor laser theory","level":3,"score":0.5474187135696411},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5298898816108704},{"id":"https://openalex.org/C170931432","wikidata":"https://www.wikidata.org/wiki/Q5517204","display_name":"Gain-switching","level":4,"score":0.5077635049819946},{"id":"https://openalex.org/C2985930086","wikidata":"https://www.wikidata.org/wiki/Q65037198","display_name":"Light emission","level":2,"score":0.49072062969207764},{"id":"https://openalex.org/C93038891","wikidata":"https://www.wikidata.org/wiki/Q1061524","display_name":"Intensity (physics)","level":2,"score":0.48137930035591125},{"id":"https://openalex.org/C30282128","wikidata":"https://www.wikidata.org/wiki/Q853656","display_name":"Stimulated emission","level":3,"score":0.46440577507019043},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.4576003849506378},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4261639416217804},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.31041812896728516}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jqe.1977.1069334","doi":"https://doi.org/10.1109/jqe.1977.1069334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jqe.1977.1069334","pdf_url":null,"source":{"id":"https://openalex.org/S80223966","display_name":"IEEE Journal of Quantum Electronics","issn_l":"0018-9197","issn":["0018-9197","1558-1713"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-2","norway-2","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310322178","host_organization_name":"IEEE Photonics Society","host_organization_lineage":["https://openalex.org/P4310322178","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Photonics Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Quantum Electronics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1967333697","https://openalex.org/W1971461475","https://openalex.org/W1972652951","https://openalex.org/W1975019057","https://openalex.org/W1986202544","https://openalex.org/W1990720290","https://openalex.org/W2000654578","https://openalex.org/W2005029059","https://openalex.org/W2005531933","https://openalex.org/W2008665782","https://openalex.org/W2034840486","https://openalex.org/W2066395863","https://openalex.org/W2076873421","https://openalex.org/W2079348895","https://openalex.org/W2094576048","https://openalex.org/W2100922438","https://openalex.org/W2131863178","https://openalex.org/W2171863658","https://openalex.org/W2474510094","https://openalex.org/W3125817961"],"related_works":["https://openalex.org/W2034840486","https://openalex.org/W2730991383","https://openalex.org/W2022207567","https://openalex.org/W2024219336","https://openalex.org/W2048503014","https://openalex.org/W76965228","https://openalex.org/W2058707767","https://openalex.org/W1982279912","https://openalex.org/W2149926881","https://openalex.org/W2109256657"],"abstract_inverted_index":{"Changes":[0],"occuring":[1],"in":[2,34,105,133,155,163,191],"selected":[3,23],"optical":[4,36],"properties":[5],"of":[6,16,31,44,56,69,76,83,90,119,144,184],"CW":[7],"(AlGa)As":[8],"double-heterostructure":[9],"junction":[10],"lasers":[11,134],"during":[12],"the":[13,29,32,41,45,49,54,57,62,66,70,74,77,84,87,106,117,145,156,164,177,182,192],"initial":[14],"stage":[15],"accelerated":[17],"aging":[18,88],"are":[19,26,179],"reported.":[20],"The":[21],"characteristics":[22],"for":[24],"investigation":[25],"relevant":[27],"to":[28,61,149,171],"operation":[30],"laser":[33,79],"an":[35],"communication":[37],"system":[38],"and":[39,48,73,130],"include":[40],"current":[42],"dependence":[43],"lasing":[46,157],"emission":[47,58,107,160,165],"orthogonally":[50],"polarized":[51],"(nonlasing)":[52],"emission,":[53],"symmetry":[55,108],"with":[59,153],"respect":[60],"two":[63],"output":[64],"faces,":[65],"time":[67],"stability":[68],"light":[71],"intensity,":[72],"frequency":[75,126],"internal":[78],"resonance.":[80],"In":[81],"spite":[82],"variability":[85],"among":[86],"behaviors":[89],"individual":[91],"lasers,":[92],"characteristic":[93],"changes":[94,162],"did":[95],"emerge":[96],"as":[97],"statistically":[98],"significant.":[99],"For":[100],"example,":[101],"a":[102,120,125],"substantial":[103],"decrease":[104],"was":[109,116,147,169],"commonly":[110],"observed.":[111],"A":[112,141],"second":[113],"important":[114],"effect":[115],"creation":[118],"self-induced":[121],"intensity":[122,139],"pulsation,":[123],"at":[124],"typically":[127],"between":[128],"300":[129],"600":[131],"MHz,":[132],"which":[135],"initially":[136],"exhibited":[137],"no":[138],"modulation.":[140],"statistical":[142],"analysis":[143],"data":[146],"made":[148],"correlate":[150],"these":[151],"instabilities":[152],"asymmetries":[154],"or":[158,187],"nonlasing":[159],"and/or":[161],"symmetry.":[166],"No":[167],"evidence":[168],"found":[170],"support":[172],"previously":[173],"published":[174],"conjectures":[175],"that":[176],"pulsations":[178],"caused":[180],"by":[181,188],"formation":[183],"dark-line":[185],"defects":[186],"axial":[189],"nonuniformities":[190],"pumping":[193],"current.":[194]},"counts_by_year":[],"updated_date":"2026-11-03T10:50:19.383937","created_date":"2016-06-24T00:00:00"}