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EnglishNonclassical correlations in quantum optics as resources for quantum computation are important in the quest for highly specialized quantum devices. Here, we put forward a methodology to witness nonclassicality of the output field from a generic quantum optical setup via the statistics of time-integrated photocurrents. Specifically, exploiting the thermodynamics of quantum trajectories, we express a known nonclassicality witness for bosonic fields fully in terms of the source master equation, thus bypassing the explicit calculation of the output light state.
Cilluffo, D., Buonaiuto, G., Lorenzo, S., Palma, G.M., Ciccarello, F., Carollo, F., et al. (2020). Witnessing nonclassicality through large deviations in quantum optics. PHYSICAL REVIEW RESEARCH, 2 [10.1103/PhysRevResearch.2.023078].
| Data di pubblicazione: | 2020 | |
| Titolo: | Witnessing nonclassicality through large deviations in quantum optics | |
| Autori: | ||
| Citazione: | Cilluffo, D., Buonaiuto, G., Lorenzo, S., Palma, G.M., Ciccarello, F., Carollo, F., et al. (2020). Witnessing nonclassicality through large deviations in quantum optics. PHYSICAL REVIEW RESEARCH, 2 [10.1103/PhysRevResearch.2.023078]. | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevResearch.2.023078 | |
| Abstract: | Nonclassical correlations in quantum optics as resources for quantum computation are important in the quest for highly specialized quantum devices. Here, we put forward a methodology to witness nonclassicality of the output field from a generic quantum optical setup via the statistics of time-integrated photocurrents. Specifically, exploiting the thermodynamics of quantum trajectories, we express a known nonclassicality witness for bosonic fields fully in terms of the source master equation, thus bypassing the explicit calculation of the output light state. | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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