5 papers
Versatile probe state preparation via generalized measurements for quantum sensing and thermometry
Jonas F. G. Santos, Shanhe Su, Moises Rojas
We investigate a probe state preparation protocol based on two non-selective generalized quantum measurements to enhance parameter estimation in single-qubit systems. By fine-tunin…
Enhanced frequency estimation by non-Gaussianity of Fock states
Jonas F. G. Santos
Leveraging the unique quantum properties of non-Gaussian states is crucial for advancing continuous variable quantum technologies. Recent experimental advancements in generating no…
Generic Two-Mode Gaussian States as Quantum Sensors
Pritam Chattopadhyay, Saikat Sur, Jonas F. G. Santos
Gaussian quantum channels constitute a cornerstone of continuous-variable quantum information science, underpinning a wide array of protocols in quantum optics and quantum metrolog…
Enhanced frequency and temperature estimation by a -symmetric quantum oscillator
Jonas F. G. Santos
Quantum metrology employs quantum properties to enhance the precision of physical parameters, in order to characterize quantum states as well as channels. Frequency and temperature…
Shortcut-to-adiabaticity for coupled harmonic oscillators
Jonas F. G. Santos
High control in the preparation and manipulation of states is an experimental and theoretical important task in many quantum protocols. Shortcuts to adiabaticity methods allow to o…