Multimode photon blockade
نویسندگان
چکیده
Interactions are essential for the creation of correlated quantum many-body states. While two-body interactions underlie most natural phenomena, three- and four-body important physics nuclei [1], exotic few-body states in ultracold gases [2], fractional Hall effect [3], error correction [4], holography [5, 6]. Recently, a number artificial systems have emerged as simulators physics, featuring ability to engineer strong interactions. However, these largely been limited paradigm, require building up multi-body by combining forces. Here, we demonstrate pure N-body interaction between microwave photons stored an arbitrary electromagnetic modes multimode cavity. The system is dressed such that there collectively no until target total photon reached across multiple distinct modes, at which point they interact strongly. cavity features 9 with lifetimes $\sim 2$ ms coupled superconducting transmon circuit, forming circuit QED single cooperativities $\sim10^9$. We generate using resolved drives on blockade any multiphoton state chosen distributed modes. harness preparation, preparing Fock increasing via optimal control pulses acting only generating entanglement purely uniform blockade, characterize resulting two- three-mode W new protocol Wigner tomography.
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ژورنال
عنوان ژورنال: Nature Physics
سال: 2022
ISSN: ['1745-2473', '1745-2481']
DOI: https://doi.org/10.1038/s41567-022-01630-y