1. Interfacing Superconducting Qubits and Telecom Photons via a Rare-Earth-Doped Crystal.
- Author
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O'Brien, Christopher, Lauk, Nikolai, Blum, Susanne, Morigi, Giovanna, and Fleischhauer, Michael
- Subjects
- *
SUPERCONDUCTORS , *QUBITS , *PHOTONS , *RARE earth metals , *CRYSTALS - Abstract
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 π 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 π pulses. We predict total transfer efficiencies on the order of 90%. [ABSTRACT FROM AUTHOR]
- Published
- 2014
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