Photon catalysis protocols are shown to be provably optimal in some cases for approximating squeezed cat states, with identified parameter regimes achieving high fidelity using minimal non-Gaussian resources while benchmarking against alternative methods.
Zhang, High-probability photon catalysis with non-linear photon beam splitter, Optik276, 170638 (2023)
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Optimal stellar rank approximation of squeezed cat states with photon catalysis
Photon catalysis protocols are shown to be provably optimal in some cases for approximating squeezed cat states, with identified parameter regimes achieving high fidelity using minimal non-Gaussian resources while benchmarking against alternative methods.