To assess the capabilities of photonic quantum systems, it is essential to develop analytical and experimental methods for probing the underlying optical dynamics. Here, we investigate fundamental constraints arising when multi-photon states evolve through a quantum linear optical network, showing how such limitations can be overcome when introducing measurement-induced nonlinearities. Specifically, we analyze bounds related … Continua a leggere

Quantum Lab announces a new scientific publication by T. Giordani, G. Zanfardino, L. Leuzzi, E. Bonfissuto, E. Caruccio, G. Gasbarri, M. Bossi, A. Rajan, R. Albiero, F. Ceccarelli, N. Spagnolo, R. Santagati, S. Paesani, M. Leonetti, R. Osellame, G. Parisi, G. Ruocco, F. Illuminati and F. Sciarrino. The article, entitled “Observation of associative-memory retrieval and … Continua a leggere

Integrated photonic technologies have recently shown significant advances, enabling the possibility to implement reconfigurable interferometers with increasing size. One of the main tasks to fully exploit the capabilities of reconfigurable integrated interferometers is the possibility to precisely program their operation to perform a desired target unitary. While recipes are known for circuit layouts based on … Continua a leggere

Integrated quantum photonics has emerged as one of the leading platforms for scaling quantum information processing, offering compact, stable, and low-loss hardware with precise phase and mode control. Advances in integrated photonics architectures and active programmability now enable complex, high-dimensional transformations essential for quantum advantage tasks. We introduce an integrated, reconfigurable 3D photonic device with … Continua a leggere

Quantum violations of Bell inequalities show that the physical world cannot simultaneously satisfy a set of seemingly natural assumptions, including locality, freedom of choice, and classical cause–and–effect relations. This fundamental feature of quantum mechanics, known as nonlocality, highlights a deep conflict with classical intuitions. Recent work has explored whether this conflict can be resolved by … Continua a leggere

Starting on 15 December 2025, Dr. Emanuele Polino, based at the Quantum Optics and Information Laboratory at Griffith University and recipient of an ARC Discovery Early Career Researcher Award (DECRA), carried out a research visit at the Quantum Lab of Sapienza University of Rome, hosted by Prof. Fabio Sciarrino. The visit to Sapienza University by … Continua a leggere

Sapienza è l’unica università europea presente in tutte e tre le nuove European Digital Skills Academies promosse dalla Commissione Europea, dedicate a intelligenza artificiale, tecnologie quantistiche e mondi virtuali. Con un finanziamento complessivo di 720 mila euro, l’Ateneo contribuirà alla formazione di competenze avanzate, alla creazione di nuovi percorsi didattici e al rafforzamento della collaborazione … Continua a leggere

Mercoledì 20 maggio 2026, alle ore 10.00, l’Aula Magna del Rettorato della Sapienza Università di Roma ospiterà la Nobel Lecture di Alain Aspect, Premio Nobel per la Fisica 2022. L’incontro, dal titolo “Dalle rivoluzioni quantistiche a una nuova idea di realtà”, offrirà al pubblico l’occasione di incontrare uno dei protagonisti della fisica contemporanea. L’evento si … Continua a leggere

Model-independent estimation of the properties of quantum states is a central challenge in quantum technologies, as experimental imperfections, drifts, and imprecise models of the actual quantum dynamics inevitably hinder accurate reconstructions. Here, we introduce a training strategy for photonic quantum extreme learning machines in which both the learning stage and the optimization of the measurement … Continua a leggere