Imaging a Chain of Rydberg Superatoms Enabled by Förster-Resonance-Enhanced Interaction
arxiv(2024)
摘要
We demonstrate single-shot and in situ absorption imaging of
individual Rydberg superatoms. This level of resolution is achieved using an
electromagnetically induced transparency scheme involving a Rydberg energy
level that is highly sensitive to the presence of Rydberg superatoms due to
Förster-resonance-enhanced dipole couplings. Spectroscopic measurements
illustrate the existence of the Förster resonance and underscore the
state-selectivity of the technique. With an imaging exposure time as short as 3
μs, we successfully resolve linear chains of Rydberg superatoms excited in
a one-dimensional configuration. The extracted second-order correlation shows
strong anti-bunching due to excitation blockade, and a Fourier analysis reveals
the long-range order in the chains of Rydberg superatoms. This imaging
technique, with minimal destruction, will be of great interest for leveraging
ensemble-encoded qubits in quantum computation and quantum simulation
applications.
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