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Search: WFRF:(Lauritzen Bjoern)

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  • Afzelius, Mikael, et al. (author)
  • Demonstration of Atomic Frequency Comb Memory for Light with Spin-Wave Storage
  • 2010
  • In: Physical Review Letters. - 1079-7114. ; 104:4
  • Journal article (peer-reviewed)abstract
    • We present a light-storage experiment in a praseodymium-doped crystal where the light is mapped onto an inhomogeneously broadened optical transition shaped into an atomic frequency comb. After absorption of the light, the optical excitation is converted into a spin-wave excitation by a control pulse. A second control pulse reads the memory (on-demand) by reconverting the spin-wave excitation to an optical one, where the comb structure causes a photon-echo-type rephasing of the dipole moments and directional retrieval of the light. This combination of photon-echo and spin-wave storage allows us to store submicrosecond (450 ns) pulses for up to 20 mu s. The scheme has a high potential for storing multiple temporal modes in the single-photon regime, which is an important resource for future long-distance quantum communication based on quantum repeaters.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Afzelius, Mikael (1)
Usmani, Imam (1)
Amari, Atia (1)
Lauritzen, Bjoern (1)
Walther, Andreas (1)
Simon, Christoph (1)
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Sangouard, Nicolas (1)
Minar, Jiri (1)
de Riedmatten, Hugue ... (1)
Gisin, Nicolas (1)
Kröll, Stefan (1)
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University
Lund University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2010 (1)

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