High-throughput quantum photonic devices emitting indistinguishable photons in the telecom C-band.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
18 Apr 2024
18 Apr 2024
Historique:
received:
25
05
2023
accepted:
05
04
2024
medline:
19
4
2024
pubmed:
19
4
2024
entrez:
18
4
2024
Statut:
epublish
Résumé
Single indistinguishable photons at telecom C-band wavelengths are essential for quantum networks and the future quantum internet. However, high-throughput technology for single-photon generation at 1550 nm remained a missing building block to overcome present limitations in quantum communication and information technologies. Here, we demonstrate the high-throughput fabrication of quantum-photonic integrated devices operating at C-band wavelengths based on epitaxial semiconductor quantum dots. Our technique enables the deterministic integration of single pre-selected quantum emitters into microcavities based on circular Bragg gratings. Respective devices feature the triggered generation of single photons with ultra-high purity and record-high photon indistinguishability. Further improvements in yield and coherence properties will pave the way for implementing single-photon non-linear devices and advanced quantum networks at telecom wavelengths.
Identifiants
pubmed: 38637520
doi: 10.1038/s41467-024-47551-7
pii: 10.1038/s41467-024-47551-7
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3358Subventions
Organisme : Narodowe Centrum Nauki (National Science Centre)
ID : 2020/36/T/ST5/00511
Organisme : Danmarks Grundforskningsfond (Danish National Research Foundation)
ID : DNRF147
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 13N14876
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 16KISQ087K
Organisme : Einstein Stiftung Berlin (Einstein Foundation Berlin)
ID : Einstein Research Unit
Organisme : Narodowe Centrum Nauki (National Science Centre)
ID : 2020/39/D/ST5/02952
Organisme : Narodowe Centrum Nauki (National Science Centre)
ID : 2020/39/D/ST5/02952
Organisme : Narodowe Centrum Nauki (National Science Centre)
ID : 2020/39/D/ST5/03359
Organisme : Danmarks Grundforskningsfond (Danish National Research Foundation)
ID : DNRF147
Organisme : Danmarks Grundforskningsfond (Danish National Research Foundation)
ID : DNRF147
Organisme : Narodowe Centrum Nauki (National Science Centre)
ID : 2020/39/D/ST5/02952
Organisme : Danmarks Grundforskningsfond (Danish National Research Foundation)
ID : DNRF142
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 16KISQ087K
Organisme : Bundesministerium für Bildung und Forschung (Federal Ministry of Education and Research)
ID : 13N14876
Organisme : Einstein Stiftung Berlin (Einstein Foundation Berlin)
ID : Einstein Research Unit
Organisme : Danmarks Grundforskningsfond (Danish National Research Foundation)
ID : DNRF147
Informations de copyright
© 2024. The Author(s).
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