A code-agnostic hybrid rotation protocol using a qubit ancilla and controlled-Fourier gates suppresses bosonic thermal and displacement noise quadratically while preserving high success probability.
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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.
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Code-agnostic bosonic noise suppression with hybrid rotations
A code-agnostic hybrid rotation protocol using a qubit ancilla and controlled-Fourier gates suppresses bosonic thermal and displacement noise quadratically while preserving high success probability.
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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.