User profiles for Andrea Crespi

Andrea Crespi

Dipartimento di Fisica - Politecnico di Milano
Verified email at polimi.it
Cited by 7645

[HTML][HTML] Integrated photonic quantum gates for polarization qubits

A Crespi, R Ramponi, R Osellame, L Sansoni… - Nature …, 2011 - nature.com
The ability to manipulate quantum states of light by integrated devices may open new
perspectives both for fundamental tests of quantum mechanics and for novel technological …

Integrated multimode interferometers with arbitrary designs for photonic boson sampling

A Crespi, R Osellame, R Ramponi, DJ Brod… - Nature …, 2013 - nature.com
The evolution of bosons undergoing arbitrary linear unitary transformations quickly becomes
hard to predict using classical computers as we increase the number of particles and modes…

Anderson localization of entangled photons in an integrated quantum walk

A Crespi, R Osellame, R Ramponi, V Giovannetti… - Nature …, 2013 - nature.com
First predicted for quantum particles in the presence of a disordered potential, Anderson
localization is a ubiquitous effect, observed also in classical systems, arising from the …

Three-dimensional Mach-Zehnder interferometer in a microfluidic chip for spatially-resolved label-free detection

A Crespi, Y Gu, B Ngamsom, HJWM Hoekstra… - Lab on a Chip, 2010 - pubs.rsc.org
Ultrafast laser writing of waveguides in glasses is a very flexible and simple method for direct
on-chip integration of photonic devices. In this work we present a monolithic optofluidic …

Photonic realization of the quantum Rabi model

A Crespi, S Longhi, R Osellame - Physical review letters, 2012 - APS
We realize a photonic analog simulator of the quantum Rabi model, based on light transport
in femtosecond-laser-written waveguide superlattices, which provides an experimentally …

Two-particle bosonic-fermionic quantum walk via integrated photonics

L Sansoni, F Sciarrino, G Vallone, P Mataloni, A Crespi… - Physical review …, 2012 - APS
Quantum walk represents one of the most promising resources for the simulation of physical
quantum systems, and has also emerged as an alternative to the standard circuit model for …

Experimental validation of photonic boson sampling

…, C Vitelli, M Bentivegna, DJ Brod, A Crespi… - Nature …, 2014 - nature.com
A boson sampling device is a specialized quantum computer that solves a problem that is
strongly believed to be computationally hard for classical computers 1 . Recently, a number of …

Polarization entangled state measurement on a chip

L Sansoni, F Sciarrino, G Vallone, P Mataloni, A Crespi… - Physical review …, 2010 - APS
The emerging strategy to overcome the limitations of bulk quantum optics consists of taking
advantage of the robustness and compactness achievable by integrated waveguide …

Experimental scattershot boson sampling

…, P Mataloni, DJ Brod, EF Galvão, A Crespi… - Science …, 2015 - science.org
Boson sampling is a computational task strongly believed to be hard for classical computers,
but efficiently solvable by orchestrated bosonic interference in a specialized quantum …

[HTML][HTML] Experimental photonic quantum memristor

…, S Piacentini, M Antesberger, F Massa, A Crespi… - Nature …, 2022 - nature.com
Memristive devices are a class of physical systems with history-dependent dynamics characterized
by signature hysteresis loops in their input–output relations. In the past few decades, …