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Seminars

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  • Title:Nuclear quantum memory of a single γ photon
  • Start Date/Time:2019-05-20 / 12:10
  • End Date/Time :2019-05-20 / 13:30
    • Speaker:Prof. WenTe Liao,廖文德(Dept. of Physics, NCU)
    • Place:R49223, Second Physics Building , NCKU
    • Host:Prof. Chung-Hsien Chou(NCKU)
    • Abstract:A γ-ray-nuclear quantum interface is suggested as a new platform for quantum information processing, motivated by remarkable progresses in γ-ray quantum optics. The main advantages of a γ photon over an optical photon lie in its almost perfect detectability and much tighter, potentially sub-angstrom, focusability. Nuclear ensembles hold important advantages over atomic ensembles in a unique combination of high nuclear density in bulk solids with narrow, lifetime-broadening Mssbauer transitions even at room temperature. This may lead to the densest long-lived quantum memories and the smallest size photon processors. In this talk I will talk about our recent proposal of a technique for γ photon quantum memory through a Doppler frequency comb, produced by a set of resonantly absorbing nuclear targets that move with different velocities [1]. It provides a reliable storage, an on-demand generation, and a time sequencing of a single γ photon. This scheme presents the first γ-photon-nuclear-ensemble interface opening a new direction of research in quantum information science. [1] arXiv:1812.11441 (2018)
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