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Opt Express. 2012 Oct 22;20(22):24124-31. doi: 10.1364/OE.20.024124.

Optimal storage and retrieval of single-photon waveforms.

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1
Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.

Abstract

We report an experimental demonstration of optimal storage and retrieval of heralded single-photon wave packets using electromagnetically induced transparency (EIT) in cold atoms at a high optical depth. We obtain an optimal storage efficiency of (49 ± 3)% for single-photon waveforms with a temporal likeness of 96%. Our result brings the EIT quantum light-matter interface closer to practical quantum information applications.

PMID:
23187175
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