Long-lived quantum memory with nuclear atomic spins

We propose to store nonclassical states of light into the macroscopic collective nuclear spin (10(18) atoms) of a 3He vapor, using metastability exchange collisions. These collisions, commonly used to transfer orientation from the metastable state 2 3S1 to the ground state of 3He, can also transfer...

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Bibliographic Details
Published inPhysical review letters Vol. 95; no. 12; p. 123002
Main Authors Dantan, A, Reinaudi, G, Sinatra, A, Laloë, F, Giacobino, E, Pinard, M
Format Journal Article
LanguageEnglish
Published United States 16.09.2005
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Summary:We propose to store nonclassical states of light into the macroscopic collective nuclear spin (10(18) atoms) of a 3He vapor, using metastability exchange collisions. These collisions, commonly used to transfer orientation from the metastable state 2 3S1 to the ground state of 3He, can also transfer quantum correlations. This gives a possible experimental scheme to map a squeezed vacuum field state onto a nuclear spin state with very long storage times (hours).
ISSN:0031-9007
DOI:10.1103/PhysRevLett.95.123002