A waveguide-coupled two-level emitter driven by pulsed squeezed vacuum can produce two-mode non-Gaussian states from which high-fidelity squeezed cat states are obtained by temporal-mode selection and single-photon heralding.
However, we know that all states studied here have a stellar rankr ∗ ≥1, as they all display Wigner negativity
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Bimodal non-Gaussian photonic states from a single quantum emitter in a waveguide
A waveguide-coupled two-level emitter driven by pulsed squeezed vacuum can produce two-mode non-Gaussian states from which high-fidelity squeezed cat states are obtained by temporal-mode selection and single-photon heralding.