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Generation of ultrabright tunable polarization entanglement without spatial, spectral, or temporal constraints
Marco Fiorentino, Gaetan Messin, Christopher E. Kuklewicz +2
The need for spatial and spectral filtering in the generation of polarization entanglement is eliminated by combining two coherently-driven type-II spontaneous parametric downconve…
Classical capacity of the lossy bosonic channel: the exact solution
Vittorio Giovannetti, Saikat Guha, Seth Lloyd +3
The classical capacity of the lossy bosonic channel is calculated exactly. It is shown that its Holevo information is not superadditive, and that a coherent-state encoding achieves…
Information rate of waveguide
Vittorio Giovannetti, Seth Lloyd, Lorenzo Maccone +1
We calculate the communication capacity of a broadband electromagnetic waveguide as a function of its spatial dimensions and input power. We analyze the two cases in which either a…