29 citations · 152 across the 15 of their papers we have counts for
15 papers · 1 filter
Multiphoton Hong-Ou-Mandel Interference Enables Superresolution of Bright Thermal Sources
Aiman Khan, Danilo Triggiani, Vincenzo Tamma
We present a quantum optical scheme for imaging transversely displaced thermal sources of arbitrary intensities by employing multiphoton interference with a reference single-photon…
Multiparameter quantum metrology at Heisenberg scaling for an arbitrary two-channel linear interferometer with squeezed light
Atmadev Rai, Danilo Triggiani, Paolo Facchi +1
We present a framework for simultaneously estimating all four real parameters of a general two-channel unitary U(2) with Heisenberg-scaling precision. We derive analytical expressi…
Superresolution imaging of two incoherent sources via two-photon interference sampling measurements in the transverse momenta
Salvatore Muratore, Danilo Triggiani, Vincenzo Tamma
The Rayleigh's criterion infamously imposes a minimum separation between two incoherent sources for them to be distinguishable via classical methods. In this work, we demonstrate t…
Quantum-limited estimation of the frequency shift between two interfering photons by time sampling of their quantum beats
Luca Maggio, Danilo Triggiani, Paolo Facchi +1
We present a sensing scheme for estimating the frequency difference of two non-entangled photons. The technique consists of time-resolving sampling measurements at the output of a…
Momentum-entangled two-photon interference for quantum-limited transverse-displacement estimation
Danilo Triggiani, Vincenzo Tamma
We propose a scheme achieving the ultimate quantum precision for the estimation of the transverse displacement between two interfering photons. Such a transverse displacement could…
Multi-parameter estimation of the state of two interfering photonic qubits
L. Maggio, D. Triggiani, P. Facchi +1
It is demonstrated a two-photon interfering technique based on polarization-resolved measurements for the simultaneous estimation with the maximum sensitivity achievable in nature…
Heisenberg-scaling sensitivity in the estimation of two parameters in a Mach-Zehnder interferometer
Atmadev Rai, Danilo Triggiani, Paolo Facchi +1
Achieving the ultimate quantum precision in the estimation of multiple physical parameters simultaneously is a challenge in quantum metrology due to fundamental limitations and exp…
Fluorescence Lifetime Hong-Ou-Mandel Sensing
Ashley Lyons, Vytautas Zickus, Raúl Álvarez-Mendoza +5
Fluorescence Lifetime Imaging Microscopy in the time domain is typically performed by recording the arrival time of photons either by using electronic time tagging or a gated detec…
Estimation with ultimate quantum precision of the transverse displacement between two photons via two-photon interference sampling measurements
Danilo Triggiani, Vincenzo Tamma
We present a quantum sensing scheme achieving the ultimate quantum sensitivity in the estimation of the transverse displacement between two photons interfering at a balanced beam s…
Ultimate quantum sensitivity in the estimation of the delay between two interfering photons through frequency-resolving sampling
Danilo Triggiani, Giorgos Psaroudis, Vincenzo Tamma
We demonstrate the ultimate sensitivity allowed by quantum physics in the estimation of the time delay between two photons by measuring their interference at a beam-splitter throug…
Non-adaptive Heisenberg-limited metrology with multi-channel homodyne measurements
Danilo Triggiani, Paolo Facchi, Vincenzo Tamma
We show a protocol achieving the ultimate Heisenberg-scaling sensitivity in the estimation of a parameter encoded in a generic linear network, without employing any auxiliary netwo…
Heisenberg scaling precision in the estimation of functions of parameters
Danilo Triggiani, Paolo Facchi, Vincenzo Tamma
We propose a metrological strategy reaching Heisenberg scaling precision in the estimation of functions of any number of arbitrary parameters encoded in a generic -channel l…
Distance sensing emerging from second-order interference of thermal light
Francesco V. Pepe, Gabriele Chilleri, Giovanni Scala +3
We introduce and describe a technique for distance sensing, based on second-order interferometry of thermal light. The method is based on measuring correlation between intensity fl…
Heisenberg scaling precision in multi-mode distributed quantum metrology
Giovanni Gramegna, Danilo Triggiani, Paolo Facchi +2
We propose an -photon Gaussian measurement scheme which allows the estimation of a parameter encoded into a multi-port interferometer with a Heisenberg scaling precision (i.…
Typicality of Heisenberg scaling precision in multi-mode quantum metrology
Giovanni Gramegna, Danilo Triggiani, Paolo Facchi +2
We propose a measurement setup reaching Heisenberg scaling precision for the estimation of any distributed parameter (not necessarily a phase) encoded into a generic -port l…