{"id":"https://openalex.org/A5012568142","orcid":null,"observed_orcids":[],"display_name":"B.A. Berrahal","raw_author_names":["B.A. Berrahal","Belabbes Berrahal"],"full_name":"B.A. Berrahal","works_count":2,"cited_by_count":1,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":1,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5012568142","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210125514","ror":"https://ror.org/0378szg41","display_name":"Universit\u00e9 Djilali de Sidi Bel Abb\u00e8s","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210125514"]},"years":[2023,2020]}],"last_known_institutions":[{"id":"https://openalex.org/I4210125514","ror":"https://ror.org/0378szg41","display_name":"Universit\u00e9 Djilali de Sidi Bel Abb\u00e8s","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210125514"]}],"topics":[{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","count":2,"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/T10767","display_name":"Advanced Photonic Communication Systems","count":2,"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","count":1,"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/T11797","display_name":"graph theory and CDMA systems","count":1,"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/T11797","display_name":"graph theory and CDMA systems","value":3.27e-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/T10767","display_name":"Advanced Photonic Communication Systems","value":9.6e-06,"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/T10232","display_name":"Optical Network Technologies","value":7.7e-06,"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","value":2.5e-06,"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":"101649071","wikidata":"https://www.wikidata.org/wiki/Q1359305","display_name":"Optical amplifier","score":0.6536664366722107},{"id":"194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","score":0.5880537629127502},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.3792129158973694},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.34689968824386597},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.2893299460411072}],"counts_by_year":[{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["B.A. Berrahal","Belabbes Berrahal"],"block_key":"b berrahal","works_api_url":"https://api.openalex.org/works?filter=author.id:A5012568142","awards_count":0,"updated_date":"2026-10-27T12:30:23","created_date":"2020-03-23T00:00:00"}