Ofir Milul, Barkay Guttel, Uri Goldblatt, Sergey Hazanov, Lalit M. Joshi, Daniel Chausovsky, Nitzan Kahn, Engin Çiftyürek, Fabien Lafont, Serge Rosenblum
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Superconducting Cavity Qubit with Tens of Milliseconds Single-Photon Coherence Time
A superconducting cavity qubit with coherence time an order of magnitude larger than the state of the art is demonstrated, showing the storage of a Schr\"odinger cat state with a record size of 1024 photons.