Creation of a Photonic Time-bin Qubit via Parametric Interaction of Photons in a Driven Resonant Medium

Details Creation of a Photonic Time-bin Qubit via Parametric Interaction of Photons in a Driven Resonant Medium Creation of a Photonic Time-bin Qubit via Parametric Interaction of Photons in a Driven Resonant Medium

2009-12-08

arxiv.org/abs/0912.1544v1

Phys. Rev. A 75, 063831 (2007)

Physics

Quantum Physics

minor corrections compared to the published version, 8 pages, 3 figures

Scientific paper

A novel method of preparing a single photon in temporally-delocalized entangled modes is proposed and analyzed. We show that two single-photon pulses propagating in a driven nonabsorbing medium with different group velocities are temporally split under parametric interaction into well-separated pulses. As a consequence, the single-photon "time-bin-entangled" states are generatedwith a programmable entanglement, which is easily controlled by driving field intensity. The experimental study of nonclassical features and nonlocality in generated states by means of balanced homodyne tomography is discussed.

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