9 papers
Quantum noise in ranging with optical pulses
Mylenne Manrique, Ilaria Gianani, Marco Barbieri +2
Optical frequency combs combine ultrashort pulse duration and phase stability, making them powerful resources for high-precision ranging even when affected by atmospheric dispersio…
Bayesian stepwise estimation of qubit rotations
Mylenne Manrique, Marco Barbieri, Assunta Di Vizio +4
This work investigates Bayesian stepwise estimation (Se) for measuring the two parameters of a unitary qubit rotation. While asymptotic analysis predicts a precision advantage for…
Noisy dynamics of confined quantum walks on a chip
L. Sansoni, E. Stefanutti, C. Benedetti +8
Quantum walks represent an excellent testbed for investigating the interplay between unitary coherent and incoherent dissipative processes. Thanks to photonic quantum interferomete…
Controlling Sloppiness in Two-Phase Estimation with a Tunable Weak Measurement
Gabriele Bizzarri, Miranda Parisi, Mylenne Manrique +6
The description of complex systems requires a progressively larger number of parameters. However, in practice, it often happens that a small subset of parameters suffices to descri…
Thresholded quantum LIDAR in turbolent media
Walter Zedda, Ilaria Gianani, Vincenzo Berardi +1
Light detection and ranging is a key technology for a number of applications, from relatively simple distance ranging to environmental monitoring. When dealing with low photon numb…
Quasiprobability distributions with weak measurements
Gabriele Bizzarri, Stefano Gherardini, Mylenne Manrique +3
We discuss and experimentally demonstrate the role of quantum coherence in a sequence of two measurements collected at different times using weak measurements. For this purpose, we…