Journal
PHYSICAL REVIEW LETTERS
Volume 113, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.063603
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Funding
- German Federal Ministry of Education and Research (BMBF) [QuOReP 01BQ1005, 16BQ1011]
- German Research Foundation (DFG)
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We propose a scheme to couple short single photon pulses to superconducting qubits. An optical photon is first absorbed into an inhomogeneously broadened rare-earth doped crystal using controlled reversible inhomogeneous broadening. The optical excitation is then mapped into a spin state using a series of pi pulses and subsequently transferred to a superconducting qubit via a microwave cavity. To overcome the intrinsic and engineered inhomogeneous broadening of the optical and spin transitions in rare-earth doped crystals, we make use of a special transfer protocol using staggered pi pulses. We predict total transfer efficiencies on the order of 90%.
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