Esguerra Rodriguez, Luisa und Meßner, Leon und Robertson, Elizabeth und Ewald, Norman Vincenz und Gundogan, Mustafa und Wolters, Janik (2023) Optimization and readout-noise analysis of a warm-vapor electromagnetically-induced-transparency memory on the Cs D₁ line. Physical Review A, 107, 042607. American Physical Society. doi: 10.1103/PhysRevA.107.042607. ISSN 2469-9926.
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Offizielle URL: https://link.aps.org/doi/10.1103/PhysRevA.107.042607
Kurzfassung
Quantum memories promise to enable global quantum repeater networks. For field applications, alkali-metal vapors constitute an exceptional storage platform, as neither cryogenics, nor strong magnetic fields are required. We demonstrate a technologically simple, in principle satellite-suited quantum memory based on electromagnetically induced transparency on the cesium D1 line, and focus on the tradeoff between end-to-end efficiency and signal-to-noise ratio, both being key parameters in applications. For coherent pulses containing one photon on average, we achieve storage and retrieval with end-to-end efficiencies of eta_e2e = 13(2)%, which correspond o internal memory efficiencies of eta_mem = 33(1)%. Simultaneously, we achieve a noise level corresponding to µ1 = 0.07(2) signal photons. This noise is dominated by spontaneous Raman scattering, with contributions from fluorescence. Four-wave mixing noise is negligible, allowing for further minimization of the total noise level.
elib-URL des Eintrags: | https://elib.dlr.de/202499/ | ||||||||||||||||||||||||||||
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Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||||||||||
Titel: | Optimization and readout-noise analysis of a warm-vapor electromagnetically-induced-transparency memory on the Cs D₁ line | ||||||||||||||||||||||||||||
Autoren: |
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Datum: | 12 April 2023 | ||||||||||||||||||||||||||||
Erschienen in: | Physical Review A | ||||||||||||||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||||||||||||||
Open Access: | Nein | ||||||||||||||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||||||||||||||
In ISI Web of Science: | Ja | ||||||||||||||||||||||||||||
Band: | 107 | ||||||||||||||||||||||||||||
DOI: | 10.1103/PhysRevA.107.042607 | ||||||||||||||||||||||||||||
Seitenbereich: | 042607 | ||||||||||||||||||||||||||||
Verlag: | American Physical Society | ||||||||||||||||||||||||||||
ISSN: | 2469-9926 | ||||||||||||||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||||||||||||||
Stichwörter: | quantum memories, EIT, quantum technologies | ||||||||||||||||||||||||||||
HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||||||||||
HGF - Programm: | Raumfahrt | ||||||||||||||||||||||||||||
HGF - Programmthema: | Kommunikation, Navigation, Quantentechnologien | ||||||||||||||||||||||||||||
DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||||||||||||||
DLR - Forschungsgebiet: | R KNQ - Kommunikation, Navigation, Quantentechnologie | ||||||||||||||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | R - Quanteninformation und Kommunikation | ||||||||||||||||||||||||||||
Standort: | Berlin-Adlershof | ||||||||||||||||||||||||||||
Institute & Einrichtungen: | Institut für Optische Sensorsysteme > Terahertz- und Laserspektroskopie | ||||||||||||||||||||||||||||
Hinterlegt von: | Esguerra Rodriguez, Luisa | ||||||||||||||||||||||||||||
Hinterlegt am: | 01 Feb 2024 07:48 | ||||||||||||||||||||||||||||
Letzte Änderung: | 06 Feb 2024 11:09 |
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