Engineered two-photon loss mitigates single-photon loss in TPD-Kerr systems by converting oscillatory decay to monotonic and extending metrological windows over an order of magnitude via non-Gaussian cat states.
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Optimizing the squeezing phase in a correlated squeezed-thermal reservoir maximizes quantum Fisher information for phase and correlation parameters and reduces joint-estimation variance.
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Quantum metrology via mitigation of single-photon loss using an engineered nonlinear oscillator
Engineered two-photon loss mitigates single-photon loss in TPD-Kerr systems by converting oscillatory decay to monotonic and extending metrological windows over an order of magnitude via non-Gaussian cat states.
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From Independent to Joint: Enhancing Quantum Phase and Correlation Factor Estimation by Squeezed Reservoir Engineering
Optimizing the squeezing phase in a correlated squeezed-thermal reservoir maximizes quantum Fisher information for phase and correlation parameters and reduces joint-estimation variance.