Generating Multimode Entangled Microwaves with a Superconducting Parametric Cavity
Artikel i vetenskaplig tidskrift, 2018

We demonstrate the generation of multimode entangled states of propagating microwaves. The entangled states are generated by our parametrically pumping a multimode superconducting cavity. By combining different pump frequencies, applied simultaneously to the device, we can produce different entanglement structures in a programable fashion. The Gaussian output states are fully characterized by our measuring the full covariance matrices of the modes. The covariance matrices are absolutely calibrated by our using an in situ microwave calibration source, a shot-noise tunnel junction. Applying a variety of entanglement measures, we demonstrate both full inseparability and genuine tripartite entanglement of the states. Our method is easily extensible to more modes.
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Publicerad i

Physical Review Applied

2331-7019 (eISSN)

Vol. 10 Nummer/häfte 4 art. nr 044019

Kategorisering

Styrkeområden

Nanovetenskap och nanoteknik

Ämneskategorier (SSIF 2011)

Atom- och molekylfysik och optik

Annan fysik

Den kondenserade materiens fysik

Identifikatorer

DOI

10.1103/PhysRevApplied.10.044019

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Senast uppdaterat

2025-03-09