Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Spedalieri, Gaetana"'
Publikováno v:
Rep. Prog. Phys. 87, 094001 (2024)
Quantum illumination (QI) and quantum radar have emerged as potentially groundbreaking technologies, leveraging the principles of quantum mechanics to revolutionise the field of remote sensing and target detection. The protocol, particularly in the c
Externí odkaz:
http://arxiv.org/abs/2310.06049
Publikováno v:
IET Quant. Comm. 3, 112-117 (2022)
Due to the difficulties of implementing joint measurements, quantum illumination schemes that are based on signal-idler entanglement are difficult to implement in practice. For this reason, one may consider quantum-inspired designs of quantum lidar/r
Externí odkaz:
http://arxiv.org/abs/2109.01009
Publikováno v:
Phys. Rev. Research 3, L042039 (2021)
It is not clear if the performance of a quantum lidar or radar, without an idler and only using Gaussian resources, could exceed the performance of a semiclassical setup based on coherent states and homodyne detection. Here we prove this is indeed th
Externí odkaz:
http://arxiv.org/abs/2108.08573
Autor:
Spedalieri, Gaetana, Piersimoni, Lolita, Laurino, Omar, Braunstein, Samuel L., Pirandola, Stefano
Publikováno v:
Phys. Rev. Research 2, 043260 (2020)
The field of quantum sensing aims at improving the detection and estimation of classical parameters that are encoded in physical systems by resorting to quantum sources of light and quantum detection strategies. The same approach can be used to impro
Externí odkaz:
http://arxiv.org/abs/2006.13250
Publikováno v:
Phys. Rev. Research 2, 023414 (2020)
With the aim to loosen the entanglement requirements of quantum illumination, we study the performance of a family of Gaussian states at the transmitter, combined with an optimal and joint quantum measurement at the receiver. We find that maximal ent
Externí odkaz:
http://arxiv.org/abs/2005.07733
Autor:
Pirandola, Stefano, Ottaviani, Carlo, Jacobsen, Christian S., Spedalieri, Gaetana, Braunstein, Samuel L., Gehring, Tobias, Andersen, Ulrik L.
Publikováno v:
npj Quantum Information 7, 77 (2021)
We consider a quantum relay which is used by two parties to perform several continuous-variable protocols of quantum communication, from entanglement distribution (swapping and distillation), to quantum teleportation, and quantum key distribution. Th
Externí odkaz:
http://arxiv.org/abs/2003.09246
Akademický článek
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Publikováno v:
Proc. SPIE 10771, Quantum Communications and Quantum Imaging XVI, 1077119 (18 September 2018)
Consider two bosonic modes which are prepared in one of two possible Gaussian states with the same local energy: either a tensor-product thermal state (with zero correlations) or a separable Gaussian state with maximal correlations (with both classic
Externí odkaz:
http://arxiv.org/abs/1807.01992
Publikováno v:
Phys. Rev. A 98, 053836 (2018)
We consider quantum discrimination of bosonic loss based on both symmetric and asymmetric hypothesis testing. In both approaches, an entangled resource is able to outperform any classical strategy based on coherent-state transmitters in the regime of
Externí odkaz:
http://arxiv.org/abs/1805.10140
Autor:
Spedalieri, Gaetana
In this thesis we investigate the theory of quantum hypothesis testing and its potential applications for the new area of quantum technologies. We first consider the asymmetric formulation of quantum hypothesis testing where the aim is to minimize th
Externí odkaz:
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.693114