Enhancing the capacity and performance of collective atomic quantum memory

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F05%3A00001856" target="_blank" >RIV/61989592:15310/05:00001856 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Enhancing the capacity and performance of collective atomic quantum memory
Original language description
Present schemes involving the quantum nondemolition interaction between atomic samples and off-resonant light pulses allow us to store quantum information corresponding to a single harmonic oscillator (mode) in one multiatomic system. We discuss the possibility of involving severalcoherences of each atom so that the atomic sample can store information contained in several quantum modes. This is achieved by the coupling of different magnetic sublevels of the relevant hyperfine level by additional Raman pulses. This technique allows us to design not only the quantum nondemolition coupling, but also beam splitterlike and two-mode squeezerlike interactions between light and collective atomic spin.
Czech name
Zvýšení kapacity a výkonu kolektivní atomové kvantové paměti
Czech description
Diskutujeme možnost zahrnutí několika koherencí každého atomu tak, aby každý atomový vzorek mohl uložit informaci obsaženou v několika kvantových módech.

Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BE - Theoretical physics
OECD FORD branch
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Project
<a href="/en/project/GA202%2F05%2F0486" target="_blank" >GA202/05/0486: Entanglement preparation and quantum information processing in atomic systems</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2005
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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