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quant-ph2026
Improving precision scaling via backaction-evading continuous measurement in a driven-dissipative Kerr parametric oscillator
Cheng Zhang, Xinhui Cui, Jiaying Pan +3
Dissipative phase transitions in the driven-dissipative Kerr parametric oscillator offer a promising route for realizing criticality-enhanced quantum sensing based on continuous me…
quant-ph2026
Criticality-enhanced global frequency sensing with a monitored Kerr parametric oscillator via extended Kalman filter
Cheng Zhang, Mauro Cirio, Xin-Qi Li +1
We analyze a global sensing scenario in which the frequency of a monitored Kerr parametric oscillator is estimated assuming limited prior information. The frequency is estimated in…