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High-speed thin-film lithium niobate quantum processor driven by a solid-state quantum emitter

Scalable photonic quantum computing architectures pose stringent requirements on photonic processing devices. The needs for low-loss high-speed reconfigurable circuits and near-deterministic resource state generators are some of the most challenging requirements. Here, we develop an integrated photo...

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Hauptverfasser: Sund, Patrik I. (VerfasserIn) , Lomonte, Emma (VerfasserIn) , Paesani, Stefano (VerfasserIn) , Wang, Ying (VerfasserIn) , Carolan, Jacques (VerfasserIn) , Bart, Nikolai (VerfasserIn) , Wieck, Andreas D. (VerfasserIn) , Ludwig, Arne (VerfasserIn) , Midolo, Leonardo (VerfasserIn) , Pernice, Wolfram (VerfasserIn) , Lodahl, Peter (VerfasserIn) , Lenzini, Francesco (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: May 2023
In: Science advances
Year: 2023, Jahrgang: 9, Heft: 19, Pages: 1-8
ISSN:2375-2548
DOI:10.1126/sciadv.adg7268
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1126/sciadv.adg7268
Verlag, lizenzpflichtig, Volltext: https://www.science.org/doi/10.1126/sciadv.adg7268
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Verfasserangaben:Patrik I. Sund, Emma Lomonte, Stefano Paesani, Ying Wang, Jacques Carolan, Nikolai Bart, Andreas D. Wieck, Arne Ludwig, Leonardo Midolo, Wolfram H.P. Pernice, Peter Lodahl, Francesco Lenzini
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Zusammenfassung:Scalable photonic quantum computing architectures pose stringent requirements on photonic processing devices. The needs for low-loss high-speed reconfigurable circuits and near-deterministic resource state generators are some of the most challenging requirements. Here, we develop an integrated photonic platform based on thin-film lithium niobate and interface it with deterministic solid-state single-photon sources based on quantum dots in nanophotonic waveguides. The generated photons are processed with low-loss circuits programmable at speeds of several gigahertz. We realize a variety of key photonic quantum information processing functionalities with the high-speed circuits, including on-chip quantum interference, photon demultiplexing, and reprogrammability of a four-mode universal photonic circuit. These results show a promising path forward for scalable photonic quantum technologies by merging integrated photonics with solid-state deterministic photon sources in a heterogeneous approach to scaling up.
Beschreibung:Veröffentlicht: 12. Mai 2023
Gesehen am 14.08.2023
Beschreibung:Online Resource
ISSN:2375-2548
DOI:10.1126/sciadv.adg7268

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