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|Title:||Robust-fidelity atom-photon entangling gates in the weak-coupling regime|
|Source:||Li, Y., Aolita, L., Chang, D.E., Kwek, L.C. (2012-10-19). Robust-fidelity atom-photon entangling gates in the weak-coupling regime. Physical Review Letters 109 (16) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.109.160504|
|Abstract:||We describe a simple entangling principle based on the scattering of photons off single emitters in one-dimensional waveguides (or extremely lossy cavities). The scheme can be applied to polarization- or time bin-encoded photonic qubits, and features a filtering mechanism that works effectively as a built-in error-correction directive. This automatically maps imperfections from the dominant sources of errors into heralded losses instead of infidelities, something highly advantageous, for instance, in quantum information applications. The scheme is thus adequate for high-fidelity maximally entangling gates even in the weak-coupling regime. These, in turn, can be directly used to store and retrieve photonic-qubit states, thereby completing an atom-photon interface toolbox, or applied to sequential measurement-based quantum computations with atomic memories. © 2012 American Physical Society.|
|Source Title:||Physical Review Letters|
|Appears in Collections:||Staff Publications|
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