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Coherent coupling of a single spin to microwave cavity photons.(QUANTUM INFORMATION)(Report)(Author abstract)

Viennot, J.J. ; Dartiailh, M.C. ; Cottet, A. ; Kontos, T.

Science, July 24, 2015, Vol.349(6246), p.408(4) [Periódico revisado por pares]

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  • Título:
    Coherent coupling of a single spin to microwave cavity photons.(QUANTUM INFORMATION)(Report)(Author abstract)
  • Autor: Viennot, J.J. ; Dartiailh, M.C. ; Cottet, A. ; Kontos, T.
  • Assuntos: Microwaves – Properties ; Photons – Properties ; Quantum Mechanics – Models
  • É parte de: Science, July 24, 2015, Vol.349(6246), p.408(4)
  • Descrição: Electron spins and photons are complementary quantum-mechanical objects that can be used to carry, manipulate, and transform quantum information. To combine these resources, it is desirable to achieve the coherent coupling of a single spin to photons stored in a superconducting resonator. Using a circuit design based on a nanoscale spin valve, we coherently hybridize the individual spin and charge states of a double quantum dot while preserving spin coherence. This scheme allows us to achieve spin-photon coupling up to the megahertz range at the single-spin level. The cooperativity is found to reach 2.3, and the spin coherence time is about 60 nanoseconds. We thereby demonstrate a mesoscopic device suitable for nondestructive spin readout and distant spin coupling. 10.1126/science.aab3786
  • Idioma: Inglês

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