{"id":"https://openalex.org/W4408441876","doi":"https://doi.org/10.1109/tim.2025.3551030","title":"Ultrasensitive Sensing Enabled by Self-Dual Singularities in Parity-Time Symmetry","display_name":"Ultrasensitive Sensing Enabled by Self-Dual Singularities in Parity-Time Symmetry","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4408441876","doi":"https://doi.org/10.1109/tim.2025.3551030"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2025.3551030","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2025.3551030","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Instrumentation and Measurement","raw_type":"journal-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/A5101452526","display_name":"Jianhui Wu","orcid":"https://orcid.org/0000-0003-4100-8116"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianhui Wu","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-4100-8116","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101675110","display_name":"Jie Li","orcid":"https://orcid.org/0000-0003-4723-523X"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Li","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-4723-523X","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007795330","display_name":"C. L. Zhang","orcid":"https://orcid.org/0000-0002-6112-0175"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chi Zhang","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-6112-0175","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041312682","display_name":"Kaihang Zhang","orcid":"https://orcid.org/0009-0002-6575-1932"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaihang Zhang","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0002-6575-1932","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059308053","display_name":"Liangquan Xu","orcid":"https://orcid.org/0009-0004-5988-3431"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liangquan Xu","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0004-5988-3431","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103234866","display_name":"Xuefeng Xu","orcid":"https://orcid.org/0009-0008-3048-1892"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuefeng Xu","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0008-3048-1892","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jiaqi Lu","orcid":"https://orcid.org/0009-0007-4255-641X"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaqi Lu","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0007-4255-641X","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093856185","display_name":"Dinku Hazarika","orcid":null},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dinku Hazarika","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0009-0009-3935-8038","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011625963","display_name":"Weipeng Xuan","orcid":"https://orcid.org/0000-0002-4818-2881"},"institutions":[{"id":"https://openalex.org/I50760025","display_name":"Hangzhou Dianzi University","ror":"https://ror.org/0576gt767","country_code":"CN","type":"education","lineage":["https://openalex.org/I50760025"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weipeng Xuan","raw_affiliation_strings":["College of Electronics and Information, Hangzhou Dianzi University, Hangzhou, China","College of Electronics &#x0026; Information, Hangzhou Dianzi University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-4818-2881","affiliations":[{"raw_affiliation_string":"College of Electronics and Information, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]},{"raw_affiliation_string":"College of Electronics &#x0026; Information, Hangzhou Dianzi University, Hangzhou, China","institution_ids":["https://openalex.org/I50760025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042940038","display_name":"Hao Jin","orcid":"https://orcid.org/0000-0001-9798-5149"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Jin","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-9798-5149","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089994151","display_name":"Shurong Dong","orcid":"https://orcid.org/0000-0002-8715-7072"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shurong Dong","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-8715-7072","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028023307","display_name":"Minye Yang","orcid":"https://orcid.org/0000-0002-4659-7063"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minye Yang","raw_affiliation_strings":["State Key Laboratory for Manufacturing Systems Engineering, School of Electronic Science and Engineering, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, Shaanxi, China","School of Electronic Science and Engineering, State Key Laboratory for Manufacturing Systems Engineering, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, Shaanxi, China"],"raw_orcid":"https://orcid.org/0000-0002-4659-7063","affiliations":[{"raw_affiliation_string":"State Key Laboratory for Manufacturing Systems Engineering, School of Electronic Science and Engineering, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, Shaanxi, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Electronic Science and Engineering, State Key Laboratory for Manufacturing Systems Engineering, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, Shaanxi, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012459583","display_name":"Jikui Luo","orcid":"https://orcid.org/0000-0003-0310-2443"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jikui Luo","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-0310-2443","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"College of Information Science &#x0026; Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":13,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.7546,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.8865634,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"74","issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11262","display_name":"Quantum Mechanics and Non-Hermitian Physics","score":0.9936000108718872,"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/T11262","display_name":"Quantum Mechanics and Non-Hermitian Physics","score":0.9936000108718872,"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/T11449","display_name":"Mechanical and Optical Resonators","score":0.9811000227928162,"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/T11965","display_name":"Quantum, superfluid, helium dynamics","score":0.9448000192642212,"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/parity","display_name":"Parity (physics)","score":0.703345537185669},{"id":"https://openalex.org/keywords/gravitational-singularity","display_name":"Gravitational singularity","score":0.5402625799179077},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.47809168696403503},{"id":"https://openalex.org/keywords/symmetry","display_name":"Symmetry (geometry)","score":0.45666980743408203},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41296565532684326},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2881184220314026},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.24735113978385925},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.1358884572982788}],"concepts":[{"id":"https://openalex.org/C2777151079","wikidata":"https://www.wikidata.org/wiki/Q141160","display_name":"Parity (physics)","level":2,"score":0.703345537185669},{"id":"https://openalex.org/C12843","wikidata":"https://www.wikidata.org/wiki/Q201721","display_name":"Gravitational singularity","level":2,"score":0.5402625799179077},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.47809168696403503},{"id":"https://openalex.org/C2779886137","wikidata":"https://www.wikidata.org/wiki/Q21030012","display_name":"Symmetry (geometry)","level":2,"score":0.45666980743408203},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41296565532684326},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2881184220314026},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.24735113978385925},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.1358884572982788}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2025.3551030","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2025.3551030","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.47999998927116394}],"awards":[{"id":"https://openalex.org/G3417917949","display_name":null,"funder_award_id":"100000-11320","funder_id":"https://openalex.org/F4320322358","funder_display_name":"Kyoto University Education and Research Foundation"},{"id":"https://openalex.org/G5030116915","display_name":null,"funder_award_id":"LD22E030007","funder_id":"https://openalex.org/F4320317323","funder_display_name":"Key Research and Development Program of Heilongjiang"}],"funders":[{"id":"https://openalex.org/F4320317323","display_name":"Key Research and Development Program of Heilongjiang","ror":null},{"id":"https://openalex.org/F4320322358","display_name":"Kyoto University Education and Research Foundation","ror":"https://ror.org/02kpeqv85"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":57,"referenced_works":["https://openalex.org/W1525860753","https://openalex.org/W1911454827","https://openalex.org/W1976331801","https://openalex.org/W1978986114","https://openalex.org/W1979656533","https://openalex.org/W2038542164","https://openalex.org/W2067123857","https://openalex.org/W2068895447","https://openalex.org/W2085072709","https://openalex.org/W2086334850","https://openalex.org/W2236464664","https://openalex.org/W2556447135","https://openalex.org/W2565528016","https://openalex.org/W2566735213","https://openalex.org/W2577919944","https://openalex.org/W2626594927","https://openalex.org/W2744151324","https://openalex.org/W2768107904","https://openalex.org/W2773436260","https://openalex.org/W2793818747","https://openalex.org/W2801247610","https://openalex.org/W2805833955","https://openalex.org/W2807732059","https://openalex.org/W2855629108","https://openalex.org/W2888436282","https://openalex.org/W2891809915","https://openalex.org/W2908266731","https://openalex.org/W2911793484","https://openalex.org/W2914540152","https://openalex.org/W2921827865","https://openalex.org/W2930665417","https://openalex.org/W2969075209","https://openalex.org/W2988331578","https://openalex.org/W2991361286","https://openalex.org/W2994228822","https://openalex.org/W3005683241","https://openalex.org/W3009577428","https://openalex.org/W3035107045","https://openalex.org/W3038557411","https://openalex.org/W3112587506","https://openalex.org/W3113728461","https://openalex.org/W3118801818","https://openalex.org/W3119550969","https://openalex.org/W3144678762","https://openalex.org/W3159551743","https://openalex.org/W3198258210","https://openalex.org/W3213434905","https://openalex.org/W4285223418","https://openalex.org/W4288051887","https://openalex.org/W4293695678","https://openalex.org/W4309346673","https://openalex.org/W4322625194","https://openalex.org/W4386533619","https://openalex.org/W4387705526","https://openalex.org/W4388854337","https://openalex.org/W4390706969","https://openalex.org/W4404061418"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2935759653","https://openalex.org/W3105167352","https://openalex.org/W54078636","https://openalex.org/W2954470139","https://openalex.org/W1501425562","https://openalex.org/W2902782467","https://openalex.org/W3084825885"],"abstract_inverted_index":{"Coherent":[0],"perfect":[1],"absorber":[2],"(CPA)-laser":[3],"points":[4],"are":[5],"peculiar":[6],"spectral":[7],"self-dual":[8],"singularities":[9],"in":[10,67,226],"non-Hermitian":[11],"systems":[12,70,96,243],"respecting":[13],"the":[14,48,58,61,82,93,105,112,120,128,142,146,149,157,204,227,245],"parity-time":[15],"(PT)":[16],"symmetry.":[17],"This":[18],"singular":[19],"point":[20],"possesses":[21],"a":[22,32,134,182,198,219,235],"unique":[23],"feature":[24],"that":[25,80,111,139,165],"simultaneously":[26],"exhibits":[27],"two":[28],"different":[29],"eigenmodes":[30],"within":[31],"single":[33],"system,":[34],"maintaining":[35],"an":[36],"exceptionally":[37],"high-quality":[38],"factor":[39],"with":[40,181],"great":[41],"potential":[42],"for":[43],"diverse":[44],"applications.":[45],"However,":[46],"despite":[47],"recent":[49],"primary":[50],"proposal":[51],"of":[52,63,84,92,184,214],"utilizing":[53],"its":[54],"CPA":[55,113],"mode":[56,114,151],"as":[57,104,244],"sensing":[59,69,106,171,206,242],"mechanism,":[60],"capability":[62],"CPA-laser-based":[64],"(actually":[65],"amplifier":[66],"electronics)":[68],"has":[71],"not":[72],"yet":[73],"been":[74],"exploited":[75],"thoroughly.":[76],"Here,":[77],"we":[78,195],"propose":[79],"both":[81],"variation":[83,225],"output":[85,121,229],"energy":[86,122],"intensity":[87],"and":[88,124,187,190],"drastic":[89],"frequency":[90,159,168,221],"shift":[91,222],"CPA-amplifier":[94],"(CPAA)":[95],"subject":[97],"to":[98,127,133,141,155,178,218],"tiny":[99],"perturbations":[100],"can":[101,152,173],"be":[102,153],"utilized":[103,154],"principle.":[107],"We":[108],"theoretically":[109],"demonstrate":[110],"is":[115,191],"more":[116],"preferred":[117],"when":[118],"detecting":[119],"intensity,":[123],"perturbation":[125,176],"occurring":[126,140],"loss":[129],"component":[130],"will":[131],"lead":[132],"larger":[135],"modulation":[136],"depth":[137],"than":[138],"gain":[143],"component.":[144],"On":[145],"other":[147],"hand,":[148],"amplifying":[150],"track":[156],"CPAA":[158,170,205,241],"shift.":[160],"The":[161,208],"analytical":[162],"results":[163,232],"indicate":[164],"this":[166],"radio":[167],"(RF)":[169],"system":[172,209],"detect":[174],"capacitive":[175,200],"down":[177],"several":[179],"femtofarads,":[180],"sensitivity":[183],"25":[185],"dB/pF":[186],"10":[188],"MHz/pF,":[189],"verified":[192],"experimentally.":[193],"Further,":[194],"practically":[196,239],"integrate":[197],"high-frequency":[199],"pressure":[201,212],"transducer":[202],"into":[203],"system.":[207],"detects":[210],"subtle":[211],"changes":[213],"0.4":[215],"Pa,":[216],"corresponding":[217],"100-kHz":[220],"or":[223],"2-dB":[224],"system\u2019s":[228],"intensity.":[230],"Our":[231],"may":[233],"have":[234],"profound":[236],"impact":[237],"on":[238],"implementing":[240],"next-generation":[246],"ultrasensitive":[247],"sensors.":[248]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
