Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2208962440', 'doi': 'https://doi.org/10.1103/physrevlett.104.156802', 'title': 'Josephson Light-Emitting Diode', 'display_name': 'Josephson Light-Emitting Diode', 'publication_year': 2010, 'publication_date': '2010-04-14', 'ids': {'openalex': 'https://openalex.org/W2208962440', 'doi': 'https://doi.org/10.1103/physrevlett.104.156802', 'mag': '2208962440', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/20482005'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1103/physrevlett.104.156802', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S24807848', 'display_name': 'Physical Review Letters', 'issn_l': '0031-9007', 'issn': ['0031-9007', '1079-7114', '1092-0145'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320261', 'host_organization_name': 'American Physical Society', 'host_organization_lineage': ['https://openalex.org/P4310320261'], 'host_organization_lineage_names': ['American Physical Society'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['arxiv', 'crossref', 'datacite', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://arxiv.org/pdf/0902.4468', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5075817030', 'display_name': 'Patrik Recher', 'orcid': 'https://orcid.org/0000-0001-5207-7235'}, 'institutions': [{'id': 'https://openalex.org/I121797337', 'display_name': 'Leiden University', 'ror': 'https://ror.org/027bh9e22', 'country_code': 'NL', 'type': 'education', 'lineage': ['https://openalex.org/I121797337']}, {'id': 'https://openalex.org/I98358874', 'display_name': 'Delft University of Technology', 'ror': 'https://ror.org/02e2c7k09', 'country_code': 'NL', 'type': 'education', 'lineage': ['https://openalex.org/I98358874']}, {'id': 'https://openalex.org/I25974101', 'display_name': 'University of Würzburg', 'ror': 'https://ror.org/00fbnyb24', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I25974101']}], 'countries': ['DE', 'NL'], 'is_corresponding': False, 'raw_author_name': 'Patrik Recher', 'raw_affiliation_strings': ['Institut für Theoretische Physik und Astrophysik, University of Würzburg, 97074 Würzburg, Germany', 'Instituut-Lorentz, Universiteit Leiden, P.O. Box 9506, 2300 RA Leiden, The Netherlands', 'Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Instituut-Lorentz, Universiteit Leiden, P.O. Box 9506, 2300 RA Leiden, The Netherlands', 'institution_ids': ['https://openalex.org/I121797337']}, {'raw_affiliation_string': 'Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands', 'institution_ids': ['https://openalex.org/I98358874']}, {'raw_affiliation_string': 'Institut für Theoretische Physik und Astrophysik, University of Würzburg, 97074 Würzburg, Germany', 'institution_ids': ['https://openalex.org/I25974101']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5081437039', 'display_name': 'Yuli V. Nazarov', 'orcid': 'https://orcid.org/0000-0003-3067-1799'}, 'institutions': [{'id': 'https://openalex.org/I98358874', 'display_name': 'Delft University of Technology', 'ror': 'https://ror.org/02e2c7k09', 'country_code': 'NL', 'type': 'education', 'lineage': ['https://openalex.org/I98358874']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Yuli V. Nazarov', 'raw_affiliation_strings': ['Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands', 'institution_ids': ['https://openalex.org/I98358874']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5103068314', 'display_name': 'Leo P. Kouwenhoven', 'orcid': 'https://orcid.org/0000-0001-7409-9881'}, 'institutions': [{'id': 'https://openalex.org/I98358874', 'display_name': 'Delft University of Technology', 'ror': 'https://ror.org/02e2c7k09', 'country_code': 'NL', 'type': 'education', 'lineage': ['https://openalex.org/I98358874']}], 'countries': ['NL'], 'is_corresponding': False, 'raw_author_name': 'Leo P. Kouwenhoven', 'raw_affiliation_strings': ['Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands'], 'affiliations': [{'raw_affiliation_string': 'Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands', 'institution_ids': ['https://openalex.org/I98358874']}]}], 'countries_distinct_count': 2, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3750, 'currency': 'USD', 'value_usd': 3750, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.727, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 43, 'citation_normalized_percentile': {'value': 0.999952, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 94, 'max': 95}, 'biblio': {'volume': '104', 'issue': '15', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10022', 'display_name': 'Quantum Dot Devices and Semiconductors', 'score': 1.0, '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'}}, 'topics': [{'id': 'https://openalex.org/T10022', 'display_name': 'Quantum Dot Devices and Semiconductors', 'score': 1.0, '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 Computation', 'score': 0.9998, '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/T10382', 'display_name': 'Semiconductor Spintronics and Quantum Computing', 'score': 0.9998, '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/semiconductor-quantum-dots', 'display_name': 'Semiconductor Quantum Dots', 'score': 0.573838}, {'id': 'https://openalex.org/keywords/quantum-dots', 'display_name': 'Quantum Dots', 'score': 0.504862}, {'id': 'https://openalex.org/keywords/superconducting-circuits', 'display_name': 'Superconducting Circuits', 'score': 0.500421}, {'id': 'https://openalex.org/keywords/photon-polarization', 'display_name': 'Photon polarization', 'score': 0.42501107}], 'concepts': [{'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.8908589}, {'id': 'https://openalex.org/C159317903', 'wikidata': 'https://www.wikidata.org/wiki/Q3198', 'display_name': 'Photon', 'level': 2, 'score': 0.78279877}, {'id': 'https://openalex.org/C147120987', 'wikidata': 'https://www.wikidata.org/wiki/Q2225', 'display_name': 'Electron', 'level': 2, 'score': 0.58361405}, {'id': 'https://openalex.org/C12038964', 'wikidata': 'https://www.wikidata.org/wiki/Q764228', 'display_name': 'Josephson effect', 'level': 3, 'score': 0.5233804}, {'id': 'https://openalex.org/C153385146', 'wikidata': 'https://www.wikidata.org/wiki/Q18335', 'display_name': 'Radiation', 'level': 2, 'score': 0.49461553}, {'id': 'https://openalex.org/C184779094', 'wikidata': 'https://www.wikidata.org/wiki/Q26383', 'display_name': 'Atomic physics', 'level': 1, 'score': 0.48943725}, {'id': 'https://openalex.org/C54101563', 'wikidata': 'https://www.wikidata.org/wiki/Q124131', 'display_name': 'Superconductivity', 'level': 2, 'score': 0.4866303}, {'id': 'https://openalex.org/C124657808', 'wikidata': 'https://www.wikidata.org/wiki/Q1133068', 'display_name': 'Quantum dot', 'level': 2, 'score': 0.42895275}, {'id': 'https://openalex.org/C2781181686', 'wikidata': 'https://www.wikidata.org/wiki/Q4226068', 'display_name': 'Coherence (philosophical gambling strategy)', 'level': 2, 'score': 0.4287068}, {'id': 'https://openalex.org/C2777743550', 'wikidata': 'https://www.wikidata.org/wiki/Q81900', 'display_name': 'Squid', 'level': 2, 'score': 0.42753792}, {'id': 'https://openalex.org/C96473913', 'wikidata': 'https://www.wikidata.org/wiki/Q7187858', 'display_name': 'Photon polarization', 'level': 3, 'score': 0.42501107}, {'id': 'https://openalex.org/C26873012', 'wikidata': 'https://www.wikidata.org/wiki/Q214781', 'display_name': 'Condensed matter physics', 'level': 1, 'score': 0.3203579}, {'id': 'https://openalex.org/C120665830', 'wikidata': 'https://www.wikidata.org/wiki/Q14620', 'display_name': 'Optics', 'level': 1, 'score': 0.2773365}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.18046013}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 6, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1103/physrevlett.104.156802', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S24807848', 'display_name': 'Physical Review Letters', 'issn_l': '0031-9007', 'issn': ['0031-9007', '1079-7114', '1092-0145'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320261', 'host_organization_name': 'American Physical Society', 'host_organization_lineage': ['https://openalex.org/P4310320261'], 'host_organization_lineage_names': ['American Physical Society'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/0902.4468', 'pdf_url': 'https://arxiv.org/pdf/0902.4468', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://resolver.tudelft.nl/uuid:94583a93-0242-43bb-884f-4b9521b890b6', 'pdf_url': 'https://repository.tudelft.nl/islandora/object/uuid%3A94583a93-0242-43bb-884f-4b9521b890b6/datastream/OBJ/download', 'source': {'id': 'https://openalex.org/S4306400906', 'display_name': 'Research Repository (Delft University of Technology)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I98358874', 'host_organization_name': 'Delft University of Technology', 'host_organization_lineage': ['https://openalex.org/I98358874'], 'host_organization_lineage_names': ['Delft University of Technology'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://arxiv.org/abs/0902.4468', 'pdf_url': 'http://arxiv.org/pdf/0902.4468', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/20482005', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.0902.4468', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4393179698', 'display_name': 'DataCite API', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I4210145204', 'host_organization_name': 'DataCite', 'host_organization_lineage': ['https://openalex.org/I4210145204'], 'host_organization_lineage_names': ['DataCite'], 'type': 'metadata'}, 'license': None, 'license_id': None, 'version': None}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/0902.4468', 'pdf_url': 'https://arxiv.org/pdf/0902.4468', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [{'display_name': 'Affordable and clean energy', 'score': 0.68, 'id': 'https://metadata.un.org/sdg/7'}], 'grants': [], 'datasets': [], 'versions': ['https://openalex.org/W2208962440'], 'referenced_works_count': 27, 'referenced_works': ['https://openalex.org/W1970981595', 'https://openalex.org/W1974693120', 'https://openalex.org/W1979029367', 'https://openalex.org/W1990143860', 'https://openalex.org/W1992249201', 'https://openalex.org/W1999368537', 'https://openalex.org/W2000652143', 'https://openalex.org/W2019845058', 'https://openalex.org/W2020018917', 'https://openalex.org/W2023639381', 'https://openalex.org/W2024622260', 'https://openalex.org/W2026574356', 'https://openalex.org/W2035666858', 'https://openalex.org/W2056012893', 'https://openalex.org/W2060900989', 'https://openalex.org/W2064510981', 'https://openalex.org/W2076219320', 'https://openalex.org/W2079221443', 'https://openalex.org/W2103282498', 'https://openalex.org/W2114269370', 'https://openalex.org/W2127948886', 'https://openalex.org/W2133402024', 'https://openalex.org/W2142226786', 'https://openalex.org/W2492327965', 'https://openalex.org/W2566706182', 'https://openalex.org/W2963260155', 'https://openalex.org/W584608487'], 'related_works': ['https://openalex.org/W2355141158', 'https://openalex.org/W2327985590', 'https://openalex.org/W2118711425', 'https://openalex.org/W2071981960', 'https://openalex.org/W2037755119', 'https://openalex.org/W2026389845', 'https://openalex.org/W1997393729', 'https://openalex.org/W1979800967', 'https://openalex.org/W1969306857', 'https://openalex.org/W1657656773'], 'abstract_inverted_index': {'We': [0, 20, 93], 'consider': [1], 'an': [2, 7], 'optical': [3], 'quantum': [4], 'dot': [5], 'where': [6, 64], 'electron': [8], 'level': [9, 13], 'and': [10, 24, 87], 'a': [11, 35, 60, 104], 'hole': [12], 'are': [14, 81, 88], 'coupled': [15], 'to': [16, 54, 77, 96], 'respective': [17], 'superconducting': [18, 46], 'leads.': [19], 'find': [21], 'that': [22], 'electrons': [23], 'holes': [25], 'recombine': [26], 'producing': [27], 'photons': [28, 80, 102], 'at': [29], 'discrete': [30], 'energies': [31, 52, 75], 'as': [32, 34], 'well': [33], 'continuous': [36], 'tail.': [37], 'Further,': [38], 'the': [39, 44, 49, 55, 98], 'spectral': [40], 'lines': [41], 'directly': [42], 'probe': [43, 97], 'induced': [45], 'correlations': [47], 'on': [48], 'dot.': [50], 'At': [51, 74], 'close': [53, 76], 'applied': [56], 'bias': [57], 'voltage': [58], 'eV,': [59], 'parameter': [61], 'range': [62], 'exists,': [63], 'radiation': [65], 'proceeds': [66], 'in': [67, 103], 'pairwise': [68], 'emission': [69], 'of': [70, 90, 100], 'polarization': [71], 'correlated': [72], 'photons.': [73], '2eV,': [78], 'emitted': [79], 'associated': [82], 'with': [83], 'Cooper': [84], 'pair': [85], 'transfer': [86], 'reminiscent': [89], 'Josephson': [91], 'radiation.': [92], 'discuss': [94], 'how': [95], 'coherence': [99], 'these': [101], 'SQUID': [105], 'geometry': [106], 'via': [107], 'single': [108], 'photon': [109], 'interference.': [110]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2208962440', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 4}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 4}, {'year': 2015, 'cited_by_count': 4}, {'year': 2014, 'cited_by_count': 8}, {'year': 2013, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 4}], 'updated_date': '2024-09-08T00:14:29.589745', 'created_date': '2016-06-24'}