3 papers
quant-ph2021
Sub-Quantum Fisher Information
M. Cerezo, Akira Sone, Jacob L. Beckey +1
The Quantum Fisher Information (QFI) plays a crucial role in quantum information theory and in many practical applications such as quantum metrology. However, computing the QFI is…
quant-ph2019
Truncated nonlinear interferometry for quantum enhanced atomic force microscopy
R. C. Pooser, N. Savino, E. Batson +3
Nonlinear interferometers that replace beamsplitters in Mach-Zehnder interferometers with nonlinear amplifiers for quantum-enhanced phase measurements have drawn increasing interes…
quant-ph2019
Broadband Quantum Noise Reduction in Future Long Baseline Gravitational-wave Detectors via EPR Entanglement
Jacob L. Beckey, Yiqiu Ma, Vincent Boyer +1
Broadband quantum noise reduction can be achieved in gravitational wave detectors by injecting frequency dependent squeezed light into the the dark port of the interferometer. This…