K. O. Quinlan
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View article: Protecting backaction-evading measurements from parametric instability
Protecting backaction-evading measurements from parametric instability Open
Noiseless measurement of a single quadrature in systems of parametrically coupled oscillators is theoretically possible by pumping at the sum and difference frequencies of the two oscillators, realizing a backaction-evading (BAE) scheme. A…
View article: Accelerated Weak Signal Search Using Mode Entanglement and State Swapping
Accelerated Weak Signal Search Using Mode Entanglement and State Swapping Open
Quantum fluctuations constitute the primary noise barrier limiting\ncavity-based axion dark matter searches. In an experiment designed to mimic a\nreal axion search, we employ a quantum-enhanced sensing technique to detect a\nsynthetic axi…