Interfacing Superconducting Qubits and Single Optical Photons Using Molecules in Waveguides
Sumanta Das, Vincent E. Elfving, Sanli Faez, Anders S. Sørensen
DOI 10.1103/PhysRevLett.118.140501 · Physical Review Letters
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Abstract
We propose an efficient light-matter interface at optical frequencies between a single photon and a superconducting qubit. The desired interface is based on a hybrid architecture composed of an organic molecule embedded inside an optical waveguide and electrically coupled to a superconducting qubit placed near the outside surface of the waveguide. We show that high fidelity, photon-mediated, entanglement between distant superconducting qubits can be achieved with incident pulses at the single photon level. Such a low light level is highly desirable for achieving a coherent optical interface with superconducting qubit, since it minimizes decoherence arising from the absorption of light.
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