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Showing 1–3 of 3 results
Advanced filters: Author: Junlei Duan Clear advanced filters

  • Simultaneous spin squeezing and the detection of dynamic fields is challenging as entanglement generation and signal interrogation often interfere. An experiment now demonstrates stable spin squeezing and field tracking in a hot atomic ensemble.

    • Junlei Duan
    • Zhiwei Hu
    • Yanhong Xiao
    Research
    Nature Physics
    Volume: 21, P: 909-915

  • If we have access to information about a quantum system both before and after a measurement, we are not in the usual remit of the Heisenberg uncertainty principle anymore. Here, the authors demonstrate that, in such a scenario, one can retrodict position and momentum measurements without being limited by HUR.

    • Han Bao
    • Shenchao Jin
    • Yanhong Xiao
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • A squeezed collective state of 1011 rubidium atoms is generated by quantum non-demolition measurements, and the accuracy of the estimation of their collective spin is improved using past quantum state retrodiction.

    • Han Bao
    • Junlei Duan
    • Yanhong Xiao
    Research
    Nature
    Volume: 581, P: 159-163