Physics – Quantum Physics
Scientific paper
2003-05-23
Physics
Quantum Physics
REVTEX4 file, color figures
Scientific paper
10.1103/PhysRevA.68.012322
We develop a distillation protocol for multilevel qubits (qudits) using generalized beam splitters like in the proposal of Pan et al. for ordinary qubits. We find an acceleration with respect to the scheme of Bennet et al. when extended to qudits. It is also possible to distill entangled pairs of photons carrying orbital angular momenta (OAM) states that conserves the total angular momenta as those produced in recent experiments.
Martin-Delgado Miguel Angel
Navascues Miguel
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