6 papers
Experimental Test of Sequential Weak Measurements for Certified Quantum Randomness Extraction
Giulio Foletto, Matteo Padovan, Marco Avesani +3
Quantum nonlocality offers a secure way to produce random numbers: their unpredictability is intrinsic and can be certified just by observing the statistic of the measurement outco…
Resource-effective Quantum Key Distribution: a field-trial in Padua city center
Marco Avesani, Luca Calderaro, Giulio Foletto +9
Field-trials are of key importance for novel technologies seeking commercialization and wide-spread adoption. This is certainly also the case for Quantum Key Distribution (QKD), wh…
Experimental Demonstration of Sequential Quantum Random Access Codes
Giulio Foletto, Luca Calderaro, Giuseppe Vallone +1
A random access code (RAC) is a strategy to encode a message into a shorter one in a way that any bit of the original can still be recovered with nontrivial probability. Encoding w…
Simple Quantum Key Distribution with qubit-based synchronization and a self-compensating polarization encoder
Costantino Agnesi, Marco Avesani, Luca Calderaro +7
Quantum Key Distribution (QKD) relies on quantum communication to allow distant parties to share a secure cryptographic key. Widespread adoption of QKD in current telecommunication…
Experimental Certification of Sustained Entanglement and Nonlocality after Sequential Measurements
Giulio Foletto, Luca Calderaro, Armin Tavakoli +5
Entanglement is a fundamental resource for quantum information science. However, bipartite entanglement is destroyed when one particle is observed via projective (sharp) measuremen…
Direct Reconstruction of the Quantum Density Matrix by Strong Measurements
Luca Calderaro, Giulio Foletto, Daniele Dequal +2
New techniques based on weak measurements have recently been introduced to the field of quantum state reconstruction. Some of them allow the direct measurement of each matrix eleme…