{"id":"https://openalex.org/A5035488903","orcid":null,"observed_orcids":[],"display_name":"S. Illek","raw_author_names":["ILLEK, STEFAN","Illek, Stefan","S Illek","S. Illek","Stefan Illek","Stefan Illek Stefan Illek"],"full_name":"Stefan Illek Stefan Illek","works_count":65,"cited_by_count":910,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":16,"i10_index":25},"ids":{"openalex":"https://openalex.org/A5035488903","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1325886976","ror":"https://ror.org/059mq0909","display_name":"Siemens (Germany)","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]},"years":[1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989]},{"institution":{"id":"https://openalex.org/I137594350","ror":"https://ror.org/005kw6t15","display_name":"Infineon Technologies (Germany)","country_code":"DE","type":"company","lineage":["https://openalex.org/I137594350"]},"years":[2002,2001,2000,1999]},{"institution":{"id":"https://openalex.org/I4387154934","ror":"https://ror.org/05v6nhz77","display_name":"Osram Opto Semiconductors","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210103613","https://openalex.org/I4387154934"]},"years":[2011,2010,2009,2008,2007,2006,2004,2003]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","count":61,"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","count":40,"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","count":33,"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/T10099","display_name":"GaN-based semiconductor devices and materials","count":13,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"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/T11127","display_name":"Solid State Laser Technologies","count":9,"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"}}],"topic_share":[{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","value":0.000153,"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","value":0.000131,"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","value":8.77e-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/T14158","display_name":"Optical Systems and Laser Technology","value":5.63e-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"}},{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","value":5.59e-05,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8939827680587769},{"id":"520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","score":0.8491415977478027},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.8175076246261597},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.7186999917030334},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.423583984375}],"counts_by_year":[{"year":1989,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":20},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2015,"works_count":2,"oa_works_count":0,"cited_by_count":8},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":15},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["ILLEK, STEFAN","Illek, Stefan","S Illek","S. Illek","Stefan Illek","Stefan Illek Stefan Illek"],"block_key":"s illek","works_api_url":"https://api.openalex.org/works?filter=author.id:A5035488903","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}