Path entanglement of continuous-variable quantum microwaves.


Path entanglement constitutes an essential resource in quantum information and communication protocols. Here, we demonstrate frequency-degenerate entanglement between continuous-variable quantum microwaves propagating along two spatially separated paths. We combine a squeezed and a vacuum state using a microwave beam splitter. Via correlation measurements… (More)



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@article{Menzel2012PathEO, title={Path entanglement of continuous-variable quantum microwaves.}, author={Esther Menzel and R. Di Candia and Frank Deppe and Petra Eder and L. Zhong and Matthias Ihmig and Mark H{\"a}berlein and Alexander Theodor Baust and E. Hoffmann and Dinarte Alexandre Ballester and K. Inomata and Takefumi Yamamoto and Y. Nakamura and E. Solano and Alexander Marx and R. Gross}, journal={Physical review letters}, year={2012}, volume={109 25}, pages={250502} }