{"id":"https://openalex.org/W3082534857","doi":"https://doi.org/10.1109/spcom50965.2020.9179555","title":"Laser and Nonlinear Phase Noise Tracking and Estimation in Long Haul 400 Gbps Single Carrier PDM-16-QAM Systems using Multi-step Kalman Filter","display_name":"Laser and Nonlinear Phase Noise Tracking and Estimation in Long Haul 400 Gbps Single Carrier PDM-16-QAM Systems using Multi-step Kalman Filter","publication_year":2020,"publication_date":"2020-07-01","ids":{"openalex":"https://openalex.org/W3082534857","doi":"https://doi.org/10.1109/spcom50965.2020.9179555","mag":"3082534857"},"language":"en","primary_location":{"id":"doi:10.1109/spcom50965.2020.9179555","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom50965.2020.9179555","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Signal Processing and Communications (SPCOM)","raw_type":"proceedings-article"},"type":"article","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/A5101101093","display_name":"Srishti Sharma","orcid":null},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Srishti Sharma","raw_affiliation_strings":["Center for Lasers and Photonics, Indian Institute of Technology Kanpur, Kanpur, India"],"affiliations":[{"raw_affiliation_string":"Center for Lasers and Photonics, Indian Institute of Technology Kanpur, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056630816","display_name":"Pradeep Kumar Krishnamurthy","orcid":"https://orcid.org/0000-0003-0239-7753"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Pradeep Kumar Krishnamurthy","raw_affiliation_strings":["Center for Lasers and Photonics, Indian Institute of Technology Kanpur, Kanpur, India"],"affiliations":[{"raw_affiliation_string":"Center for Lasers and Photonics, Indian Institute of Technology Kanpur, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5101101093"],"corresponding_institution_ids":["https://openalex.org/I94234084"],"apc_list":null,"apc_paid":null,"fwci":0.1027,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.42574356,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":1.0,"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/T10232","display_name":"Optical Network Technologies","score":1.0,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9973000288009644,"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/T10299","display_name":"Photonic and Optical Devices","score":0.9970999956130981,"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/phase-noise","display_name":"Phase noise","score":0.6542079448699951},{"id":"https://openalex.org/keywords/laser-linewidth","display_name":"Laser linewidth","score":0.6102180480957031},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.5178747177124023},{"id":"https://openalex.org/keywords/extended-kalman-filter","display_name":"Extended Kalman filter","score":0.49181750416755676},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.47043415904045105},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.43094444274902344},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4118475914001465},{"id":"https://openalex.org/keywords/carrier-to-noise-ratio","display_name":"Carrier-to-noise ratio","score":0.4100196957588196},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.40792569518089294},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.36874040961265564},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.35555264353752136},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.34311771392822266},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.24269697070121765},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23764055967330933}],"concepts":[{"id":"https://openalex.org/C89631360","wikidata":"https://www.wikidata.org/wiki/Q1428766","display_name":"Phase noise","level":2,"score":0.6542079448699951},{"id":"https://openalex.org/C142181693","wikidata":"https://www.wikidata.org/wiki/Q6493080","display_name":"Laser linewidth","level":3,"score":0.6102180480957031},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.5178747177124023},{"id":"https://openalex.org/C206833254","wikidata":"https://www.wikidata.org/wiki/Q5421817","display_name":"Extended Kalman filter","level":3,"score":0.49181750416755676},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47043415904045105},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.43094444274902344},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4118475914001465},{"id":"https://openalex.org/C43658927","wikidata":"https://www.wikidata.org/wiki/Q5046339","display_name":"Carrier-to-noise ratio","level":3,"score":0.4100196957588196},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.40792569518089294},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.36874040961265564},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.35555264353752136},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.34311771392822266},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.24269697070121765},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23764055967330933},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spcom50965.2020.9179555","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom50965.2020.9179555","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 International Conference on Signal Processing and Communications (SPCOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5799999833106995,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W10156823","https://openalex.org/W2041564542","https://openalex.org/W2045944833","https://openalex.org/W2091180806","https://openalex.org/W2092754166","https://openalex.org/W2114467968","https://openalex.org/W2146440093","https://openalex.org/W2315598412","https://openalex.org/W2570290963"],"related_works":["https://openalex.org/W2005480629","https://openalex.org/W2004658011","https://openalex.org/W1987909485","https://openalex.org/W2081219238","https://openalex.org/W2032164399","https://openalex.org/W2107497276","https://openalex.org/W2013971890","https://openalex.org/W2217754805","https://openalex.org/W2162299404","https://openalex.org/W2103062922"],"abstract_inverted_index":{"Coherent":[0],"optical":[1,36],"communication":[2],"system":[3,106],"performance":[4],"is":[5,29,70],"often":[6],"limited":[7],"by":[8,52],"LPN":[9,26,100],"(laser":[10],"phase":[11,16,128],"noise)":[12],"and":[13,24,27,65,101,130],"NLPN":[14,28,102],"(nonlinear":[15],"noise).":[17],"A":[18],"n-step":[19],"Kalman":[20,81,89],"filter":[21,51,82,137],"to":[22],"track":[23,126],"estimate":[25],"proposed":[30,105,136],"for":[31,41,72,103],"400":[32],"Gbps":[33],"PDM-16-QAM":[34],"coherent":[35],"system.":[37],"Simulations":[38],"show":[39,121],"that":[40,79,122],"100":[42],"kHz":[43],"laser":[44,109],"linewidth,":[45],"reducing":[46],"the":[47,99,104],"sampling":[48],"factor":[49],"of":[50,55],"10,":[53],"Q-factor":[54,76],"14.5":[56],"dB":[57,68],"can":[58,96,124],"be":[59],"achieved":[60],"over":[61,115],"1200":[62],"km":[63],"transmission":[64],"<;":[66],"1":[67,113],"degradation":[69],"observed":[71],"n":[73],"=":[74,94],"20.":[75],"curves":[77],"indicate":[78],"multi-step":[80],"(MKF)":[83],"performs":[84],"better":[85],"than":[86],"linear":[87],"step":[88],"filter.":[90],"MKF":[91,123],"with":[92,107],"m":[93],"10":[95],"successfully":[97],"mitigate":[98],"maximum":[108],"linewidth":[110],"tolerance":[111],"upto":[112],"MHz":[114],"40":[116],"\u00d7":[117],"80":[118],"km.":[119],"Results":[120],"optimally":[125],"carrier":[127],"noise":[129],"Kerr":[131],"nonlinearities,":[132],"thereby":[133],"validating":[134],"our":[135],"design.":[138]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}