{"id":"https://openalex.org/W7126050378","doi":"https://doi.org/10.48550/arxiv.2601.20073","title":"Ensemble-Based Quantum Signal Processing for Error Mitigation","display_name":"Ensemble-Based Quantum Signal Processing for Error Mitigation","publication_year":2026,"publication_date":"2026-01-27","ids":{"openalex":"https://openalex.org/W7126050378","doi":"https://doi.org/10.48550/arxiv.2601.20073"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2601.20073","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2601.20073","pdf_url":"https://arxiv.org/pdf/2601.20073","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2601.20073","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5124195844","display_name":"Suying Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210108409","display_name":"Joint Center for Quantum Information and Computer Science","ror":"https://ror.org/02048n894","country_code":"US","type":"facility","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065","https://openalex.org/I4210108409","https://openalex.org/I66946132"]},{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Liu, Suying","raw_affiliation_strings":["Department of Computer Science , University of Maryland , College Park , MD 20742 , USA","Joint Center for Quantum Information and Computer Science , University of Maryland , College Park , MD 20742 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science , University of Maryland , College Park , MD 20742 , USA","institution_ids":["https://openalex.org/I66946132"]},{"raw_affiliation_string":"Joint Center for Quantum Information and Computer Science , University of Maryland , College Park , MD 20742 , USA","institution_ids":["https://openalex.org/I4210108409","https://openalex.org/I66946132"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5106125262","display_name":"Yulong Dong","orcid":"https://orcid.org/0000-0003-0577-2475","observed_orcids":["https://orcid.org/0000-0003-0577-2475"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dong, Yulong","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science , University of Michigan , Ann Arbor , MI 48109 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science , University of Michigan , Ann Arbor , MI 48109 , USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124241687","display_name":"Dong An","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210108409","display_name":"Joint Center for Quantum Information and Computer Science","ror":"https://ror.org/02048n894","country_code":"US","type":"facility","lineage":["https://openalex.org/I1321296531","https://openalex.org/I1343035065","https://openalex.org/I4210108409","https://openalex.org/I66946132"]},{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"An, Dong","raw_affiliation_strings":["Joint Center for Quantum Information and Computer Science , University of Maryland , College Park , MD 20742 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Joint Center for Quantum Information and Computer Science , University of Maryland , College Park , MD 20742 , USA","institution_ids":["https://openalex.org/I4210108409","https://openalex.org/I66946132"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112853502","display_name":"Murphy Yuezhen Niu","orcid":"https://orcid.org/0000-0002-0013-416X","observed_orcids":["https://orcid.org/0000-0002-0013-416X"]},"institutions":[{"id":"https://openalex.org/I1291425158","display_name":"Google (United States)","ror":"https://ror.org/00njsd438","country_code":"US","type":"company","lineage":["https://openalex.org/I1291425158","https://openalex.org/I4210128969"]},{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Niu, Murphy Yuezhen","raw_affiliation_strings":["Department of Computer Science , University of California , Santa Barbara , California , 93106 , USA","Google Quantum AI , Venice , California 90291 , USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science , University of California , Santa Barbara , California , 93106 , USA","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"Google Quantum AI , Venice , California 90291 , USA","institution_ids":["https://openalex.org/I1291425158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11804","display_name":"Quantum many-body systems","score":0.0,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.0,"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/quantum-signal-processing","display_name":"quantum signal processing","score":0.9950000047683716},{"id":"https://openalex.org/keywords/error-mitigation","display_name":"error mitigation","score":0.8560000061988831},{"id":"https://openalex.org/keywords/hamiltonian-simulation","display_name":"Hamiltonian simulation","score":0.8600000143051147},{"id":"https://openalex.org/keywords/linear-quantum-systems","display_name":"quantum linear systems","score":0.9950000047683716},{"id":"https://openalex.org/keywords/ground-state-preparation","display_name":"ground state preparation","score":0.9909999966621399},{"id":"https://openalex.org/keywords/approximation-error","display_name":"approximation error","score":0.49399998784065247},{"id":"https://openalex.org/keywords/near-term-quantum-devices","display_name":"near-term quantum devices","score":0.6370000243186951}],"concepts":[{"id":"https://openalex.org/C51003876","wikidata":"https://www.wikidata.org/wiki/Q1536431","display_name":"Quantum error correction","level":4,"score":0.6586999893188477},{"id":"https://openalex.org/C124148022","wikidata":"https://www.wikidata.org/wiki/Q2122210","display_name":"Quantum circuit","level":5,"score":0.6266999840736389},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5662999749183655},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5008999705314636},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.49559998512268066},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.49309998750686646},{"id":"https://openalex.org/C137019171","wikidata":"https://www.wikidata.org/wiki/Q2623817","display_name":"Quantum algorithm","level":3,"score":0.45890000462532043},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.4397999942302704},{"id":"https://openalex.org/C203087015","wikidata":"https://www.wikidata.org/wiki/Q378201","display_name":"Qubit","level":3,"score":0.42309999465942383},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3955000042915344},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.37380000948905945},{"id":"https://openalex.org/C186468114","wikidata":"https://www.wikidata.org/wiki/Q836478","display_name":"Quantum network","level":4,"score":0.364300012588501},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.33959999680519104},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.33719998598098755},{"id":"https://openalex.org/C58849907","wikidata":"https://www.wikidata.org/wiki/Q2118982","display_name":"Quantum gate","level":4,"score":0.33340001106262207},{"id":"https://openalex.org/C190463098","wikidata":"https://www.wikidata.org/wiki/Q2081419","display_name":"Quantum technology","level":4,"score":0.32260000705718994},{"id":"https://openalex.org/C192122513","wikidata":"https://www.wikidata.org/wiki/Q2835770","display_name":"Quantum phase estimation algorithm","level":5,"score":0.3165000081062317},{"id":"https://openalex.org/C59500034","wikidata":"https://www.wikidata.org/wiki/Q1464944","display_name":"Quantum Fourier transform","level":5,"score":0.31540000438690186},{"id":"https://openalex.org/C111996192","wikidata":"https://www.wikidata.org/wiki/Q7269075","display_name":"Quantum noise","level":3,"score":0.30630001425743103},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.30079999566078186},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.29750001430511475},{"id":"https://openalex.org/C134146338","wikidata":"https://www.wikidata.org/wiki/Q1815901","display_name":"Electronic circuit","level":2,"score":0.2969000041484833},{"id":"https://openalex.org/C47091857","wikidata":"https://www.wikidata.org/wiki/Q4118612","display_name":"Coherence time","level":3,"score":0.2874999940395355},{"id":"https://openalex.org/C169699857","wikidata":"https://www.wikidata.org/wiki/Q2122243","display_name":"Quantum information","level":3,"score":0.2799000144004822},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2720000147819519},{"id":"https://openalex.org/C5320026","wikidata":"https://www.wikidata.org/wiki/Q2122216","display_name":"Quantum information science","level":4,"score":0.2718999981880188},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.27070000767707825},{"id":"https://openalex.org/C89143813","wikidata":"https://www.wikidata.org/wiki/Q17105423","display_name":"Quantum sensor","level":5,"score":0.2703000009059906},{"id":"https://openalex.org/C201866948","wikidata":"https://www.wikidata.org/wiki/Q228206","display_name":"Random number generation","level":2,"score":0.2558000087738037}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2601.20073","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2601.20073","pdf_url":"https://arxiv.org/pdf/2601.20073","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2601.20073","doi":"https://doi.org/10.48550/arxiv.2601.20073","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2601.20073","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2601.20073","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2601.20073","pdf_url":"https://arxiv.org/pdf/2601.20073","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1938338418","display_name":null,"funder_award_id":"OMA-2120757","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G2697164521","display_name":"QLCI-CI: NSF Quantum Leap Challenge Institute for Robust Quantum Simulation","funder_award_id":"2120757","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G3486491196","display_name":"CAREER: Quantum Pulse Processing--Robust and Programmable Quantum Control for Near-Term Quantum Simulation","funder_award_id":"2441912","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6393588896","display_name":null,"funder_award_id":"DE-SC0025430","funder_id":"https://openalex.org/F4320306084","funder_display_name":"U.S. Department of Energy"},{"id":"https://openalex.org/G8951388408","display_name":null,"funder_award_id":"DE-SC0025430","funder_id":"https://openalex.org/F4320337506","funder_display_name":"Advanced Scientific Computing Research"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320306078","display_name":"U.S. Department of Defense","ror":"https://ror.org/0447fe631"},{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"},{"id":"https://openalex.org/F4320337506","display_name":"Advanced Scientific Computing Research","ror":"https://ror.org/0012c7r22"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7126050378.pdf","grobid_xml":"https://content.openalex.org/works/W7126050378.grobid-xml"},"referenced_works_count":5,"referenced_works":["https://openalex.org/W2792427217","https://openalex.org/W2959757045","https://openalex.org/W3093318259","https://openalex.org/W4317837899","https://openalex.org/W4405281199"],"related_works":["https://openalex.org/W4317837899","https://openalex.org/W4386981027","https://openalex.org/W4416375382","https://openalex.org/W4408473044","https://openalex.org/W4366824063","https://openalex.org/W4416874924","https://openalex.org/W3081258744","https://openalex.org/W4392761541","https://openalex.org/W4397028869","https://openalex.org/W4416874846"],"abstract_inverted_index":{"Despite":[0],"rapid":[1],"advances":[2],"in":[3,76],"quantum":[4,13,104,135,156,169],"hardware,":[5],"noise":[6,34],"remains":[7],"a":[8,29,38,140],"central":[9],"obstacle":[10],"to":[11,71,101],"deploying":[12],"algorithms":[14,87],"on":[15,80],"near-term":[16],"devices.":[17,170],"In":[18],"particular,":[19],"random":[20,73],"coherent":[21,49],"errors":[22,50,75],"that":[23,46],"accumulate":[24],"during":[25],"circuit":[26,53],"execution":[27],"constitute":[28],"dominant":[30],"and":[31,95,107,117,130,158,167],"fundamentally":[32],"challenging":[33],"source.":[35],"We":[36,110],"introduce":[37],"noise-resilient":[39],"framework":[40],"for":[41,88,96,123,143],"Quantum":[42],"Signal":[43],"Processing":[44],"(QSP)":[45],"mitigates":[47],"such":[48],"without":[51],"increasing":[52],"depth":[54,129],"or":[55],"ancillary":[56],"qubit":[57],"requirements.":[58],"Our":[59,137],"approach":[60],"uses":[61],"ensembles":[62],"of":[63,92,133,154,162],"noisy":[64],"QSP":[65,86],"circuits":[66],"combined":[67],"with":[68,99,165],"measurement-level":[69],"averaging":[70],"suppress":[72],"phase":[74],"Z":[77],"rotations.":[78],"Building":[79],"this":[81],"framework,":[82],"we":[83],"develop":[84],"robust":[85,155],"implementing":[89],"polynomial":[90],"functions":[91],"Hermitian":[93],"matrices":[94],"estimating":[97],"observables,":[98],"applications":[100,164],"Hamiltonian":[102],"simulation,":[103],"linear":[105],"systems,":[106],"ground-state":[108],"preparation.":[109],"analyze":[111],"the":[112,127,152,160],"trade-off":[113],"between":[114],"approximation":[115],"error":[116,145],"hardware":[118],"noise,":[119],"which":[120],"is":[121],"essential":[122],"practical":[124,141],"implementation":[125],"under":[126],"stringent":[128],"coherence":[131],"constraints":[132],"current":[134],"hardware.":[136],"results":[138],"establish":[139],"pathway":[142],"integrating":[144],"mitigation":[146],"seamlessly":[147],"into":[148],"algorithmic":[149],"design,":[150],"advancing":[151],"development":[153],"computing,":[157],"enabling":[159],"discovery":[161],"scientific":[163],"near-":[166],"mid-term":[168]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-01-30T00:00:00"}
