Cavity-based single atom preparation and high-fidelity hyperfine state readout.
نویسندگان
چکیده
We prepare and detect the hyperfine state of a single 87Rb atom coupled to a fiber-based high-finesse cavity on an atom chip. The atom is extracted from a Bose-Einstein condensate and trapped at the maximum of the cavity field, resulting in a reproducibly strong atom-cavity coupling. We use the cavity reflection and transmission signal to infer the atomic hyperfine state with a fidelity exceeding 99.92% in a readout time of 100 μs. The atom is still trapped after detection.
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عنوان ژورنال:
- Physical review letters
دوره 104 20 شماره
صفحات -
تاریخ انتشار 2010