PropertyValue
?:abstract
  • We present a scheme to entangle two microwave fields by using the nonlinear magnetostrictive interaction in a ferrimagnet. The magnetostrictive interaction enables the coupling between a magnon mode (spin wave) and a mechanical mode in the ferrimagnet, and the magnon mode simultaneously couples to two microwave cavity fields via the magnetic dipole interaction. The magnon-phonon coupling is enhanced by directly driving the ferrimagnet with a strong red-detuned microwave field, and the driving photons are scattered onto two sidebands induced by the mechanical motion. We show that two cavity fields can be prepared in a stationary entangled state if they are respectively resonant with two mechanical sidebands. The present scheme illustrates a new mechanism for creating entangled states of optical fields, and enables potential applications in quantum information science and quantum tasks that require entangled microwave fields.
is ?:annotates of
?:arxiv_id
  • 1909.05936
?:creator
?:doi
  • 10.1103/physrevlett.124.213604
?:doi
?:journal
  • Physical_review_letters
?:license
  • arxiv
?:pmid
?:pmid
  • 32530657.0
?:publication_isRelatedTo_Disease
?:source
  • ArXiv; Medline
?:title
  • Magnetostrictively induced stationary entanglement between two microwave fields
?:type
?:year
  • 2019-09-12

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