Category: Quantum Optics

Quantum phase sensing at a distance

Performing remote phase measurements with a sensitivity proportional to the intensity of light that never interacted with distant, and possibly delicate, samples. On the front cover of Advanced Quantum Technologies, December 2022.

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Microscopic Reversibility Goes Quantum

We extended a fundamental principle in statistical mechanics called microscopic reversibility to the quantum world and experimentally verified it. Just appeared in PRL and selected as an Editor’s Suggestion and for a Synopsis in Physics.

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Photon-by-photon quantum state engineering

A concise review on how to engineer the quantum state of light one photon at a time has just appeared in Progress of Quantum Electronics.

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Multimode photon addition

We review our recent experimental results concerning the conditional implementation of coherent superpositions of single-photon additions onto distinct field modes. On the cover of Entropy.

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Neural networks detect nonclassicality

A properly-trained artificial neural network is able to correctly identify classical and nonclassical features from real experimental data for different states of light. See more in Physical Review Research.

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Quantum dealing of poker cards

How to play poker on the phone if you do not trust your opponent or the card dealer? Find out how, by using discorrelated quantum states. On the cover of Advanced Quantum Technologies, May 2021.

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New tests of nonclassical behavior

We experimentally test new ways to detect the nonclassicality of a state from correlations among different phase-space distributions. See our latest PRL paper.

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Towards quantum spectroscopy: a roadmap

We join a group of experts from all over the world to draw a roadmap of future applications of quantum light to spectroscopy. In Journal of Physics B.

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“Share one to entangle them all”

The delocalized addition of a single photon entangles two separate laser pulses containing an average of up to 60 photons each. Our recent results have just appeared in a paper on PRL.

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Quantum cryptography in Florence

We successfully exchanged secure cryptographic keys in a fiber-based field test of quantum key distribution in the metropolitan Florence area.

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