{"id":"https://openalex.org/A5069192114","orcid":"https://orcid.org/0000-0001-8205-5686","observed_orcids":["https://orcid.org/0000-0001-8205-5686"],"display_name":"Caspar Hopfmann","raw_author_names":["C Hopfmann","C. Hopfmann","Caspar Hopfmann","Hopfmann, Caspar"],"full_name":"Hopfmann, Caspar","works_count":51,"cited_by_count":666,"summary_stats":{"2yr_mean_citedness":3.4444444444444446,"h_index":15,"i10_index":20},"ids":{"openalex":"https://openalex.org/A5069192114","orcid":"https://orcid.org/0000-0001-8205-5686","observed_orcids":["https://orcid.org/0000-0001-8205-5686"]},"affiliations":[{"institution":{"id":"https://openalex.org/I174306211","ror":"https://ror.org/03qryx823","display_name":"Technion \u2013 Israel Institute of Technology","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]},"years":[2018]},{"institution":{"id":"https://openalex.org/I25974101","ror":"https://ror.org/00fbnyb24","display_name":"University of W\u00fcrzburg","country_code":"DE","type":"education","lineage":["https://openalex.org/I25974101"]},"years":[2013,2012,2011]},{"institution":{"id":"https://openalex.org/I3018417779","ror":"https://ror.org/04zb59n70","display_name":"Leibniz Institute for Solid State and Materials Research","country_code":"DE","type":"facility","lineage":["https://openalex.org/I3018417779","https://openalex.org/I315704651"]},"years":[2026,2025,2024,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I4210093367","ror":"https://ror.org/00m8prc86","display_name":"Deutsche Telekom (Germany)","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210093367"]},"years":[2026,2025]},{"institution":{"id":"https://openalex.org/I4577782","ror":"https://ror.org/03v4gjf40","display_name":"Technische Universit\u00e4t Berlin","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]},"years":[2018,2017,2016,2015,2014,2013,2012]},{"institution":{"id":"https://openalex.org/I78650965","ror":"https://ror.org/042aqky30","display_name":"Technische Universit\u00e4t Dresden","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]},"years":[2026,2025]}],"last_known_institutions":[{"id":"https://openalex.org/I3018417779","ror":"https://ror.org/04zb59n70","display_name":"Leibniz Institute for Solid State and Materials Research","country_code":"DE","type":"facility","lineage":["https://openalex.org/I3018417779","https://openalex.org/I315704651"]},{"id":"https://openalex.org/I4210093367","ror":"https://ror.org/00m8prc86","display_name":"Deutsche Telekom (Germany)","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210093367"]},{"id":"https://openalex.org/I78650965","ror":"https://ror.org/042aqky30","display_name":"Technische Universit\u00e4t Dresden","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"topics":[{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":47,"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/T12612","display_name":"Strong Light-Matter Interactions","count":20,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","count":17,"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/T10020","display_name":"Quantum Information and Cryptography","count":15,"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/T11414","display_name":"Quantum optics and atomic interactions","count":15,"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"}}],"topic_share":[{"id":"https://openalex.org/T12612","display_name":"Strong Light-Matter Interactions","value":0.0001954,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","value":0.0001248,"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/T11414","display_name":"Quantum optics and atomic interactions","value":8.32e-05,"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","value":4.47e-05,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","value":4.26e-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"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9591218829154968},{"id":"124657808","wikidata":"https://www.wikidata.org/wiki/Q1133068","display_name":"Quantum dot","score":0.866599977016449},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.7016000151634216},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.5731934309005737},{"id":"84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","score":0.5455647110939026}],"counts_by_year":[{"year":2011,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":0,"cited_by_count":5},{"year":2013,"works_count":3,"oa_works_count":2,"cited_by_count":20},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":19},{"year":2015,"works_count":5,"oa_works_count":2,"cited_by_count":24},{"year":2016,"works_count":3,"oa_works_count":2,"cited_by_count":42},{"year":2017,"works_count":5,"oa_works_count":3,"cited_by_count":58},{"year":2018,"works_count":3,"oa_works_count":2,"cited_by_count":58},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2021,"works_count":4,"oa_works_count":3,"cited_by_count":50},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":48},{"year":2023,"works_count":1,"oa_works_count":0,"cited_by_count":46},{"year":2024,"works_count":3,"oa_works_count":2,"cited_by_count":59},{"year":2025,"works_count":7,"oa_works_count":6,"cited_by_count":53},{"year":2026,"works_count":8,"oa_works_count":7,"cited_by_count":85}],"display_name_alternatives":["C Hopfmann","C. Hopfmann","Caspar Hopfmann","Hopfmann, Caspar"],"block_key":"c hopfmann","works_api_url":"https://api.openalex.org/works?filter=author.id:A5069192114","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5069192114","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}
