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8 p, 406.5 KB Quantum-state storage and processing for polarization qubits in an inhomogeneously broadened Λ-type three-level medium / Viscor, Daniel (Universitat Autònoma de Barcelona. Departament de Física) ; Ferraro, Alessandro (Universitat Autònoma de Barcelona. Departament de Física) ; Loiko, Yury (National Academy of Sciences of Belarus. B.I. Stepanov Institute of Physics) ; Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física) ; Ahufinger, Verònica (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We address the propagation of a single-photon pulse with two polarization components, i. e. , a polarization qubit, in an inhomogeneously broadened "phaseonium" Λ-type three-level medium. We combine some of the nontrivial propagation effects characteristic for this kind of coherently prepared systems and the controlled reversible inhomogeneous broadening technique to propose several quantum information-processing applications, such as a protocol for polarization qubit filtering and sieving as well as a tunable polarization beam splitter. [...]
2011 - 10.1103/PhysRevA.84.042314
Physical review. A, Vol. 84, Issue 4 (October 2011) , p. 042314-1-042314-8  

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