Numerical optimization identifies non-Gaussian quantum states that outperform Gaussian states for sensing under loss and phase noise, with up to 2.2 dB advantage persisting under homodyne detection.
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Optimized Quantum States for Sensing in the Presence of Loss and Phase Noise
Numerical optimization identifies non-Gaussian quantum states that outperform Gaussian states for sensing under loss and phase noise, with up to 2.2 dB advantage persisting under homodyne detection.