UPDATE: New dates for the exhibition “Speak the unspeakable”. We look forward to meeting you from 11 to 13 April at the Museo Dell’Arte Classica at Sapienza Campus. Download the updated leaflet here Registration available here: https://sites.google.com/uniroma1.it/sapienzaquantumweeks The Italian Quantum Weeks brings together the national scientific community in quantum technologies intending to organize outreach events for students … Leggi tutto

Experimental engineering of high-dimensional quantum states is a crucial task for several quantum information protocols. However, a high degree of precision in the characterization of the noisy experimental apparatus is required to apply existing quantum-state engineering protocols. This is often lacking in practical scenarios, affecting the quality of the engineered states. We implement, experimentally, an … Leggi tutto

The Quantum Lab has published in the journal Science Bulletin a News and Views paper on the recent quantum computational advantage demonstration reported in Science from Prof. Jian-Wei Pan’s team in China. The race towards quantum computational advantage: milestone photonic experiment, Fabio Sciarrino, Nicolò Spagnolo, Science Bulletin 66, 637-639 (2021)

Quantum coherence marks a deviation from classical physics, and has been studied as a resource for metrology and quantum computation. Finding reliable and effective methods for assessing its presence is then highly desirable. Coherence witnesses rely on measuring observables whose outcomes can guarantee that a state is not diagonal in a known reference basis. Here, … Leggi tutto

The generation and control of quantum correlations in high-dimensional systems is a major challenge in the present landscape of quantum technologies. Achieving such non-classical high-dimensional resources will potentially unlock enhanced capabilities for quantum cryptography, communication and computation. We propose a protocol that is able to attain entangled states of d-dimensional systems through a quantum-walk-based  transfer & … Leggi tutto

Multi-particle interference is a key resource for quantum information processing, as exemplified by Boson Sampling. Hence, given its fragile nature, an essential desideratum is a solid and reliable framework for its validation. However, while several protocols have been introduced to this end, the approach is still fragmented and fails to build a big picture for … Leggi tutto