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Journal Article

Entangled two-photon wave packet in a dispersive medium

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Valencia, A., Chekhova, M., Trifonov, A., & Shih, Y. (2002). Entangled two-photon wave packet in a dispersive medium. PHYSICAL REVIEW LETTERS, 88(18): 183601. doi:10.1103/PhysRevLett.88.183601.

Cite as: https://hdl.handle.net/21.11116/0000-0001-DF8A-9
We report an experimental study of group-velocity dispersion effect on an entangled two-photon wave packet, generated via spontaneous parametric down-conversion and propagating through a dispersive medium. Even in the case of using cw laser beam for pump, the biphoton wave packet and the second-order correlation function spread significantly. The study and understanding of this phenomenon is of great importance for quantum information applications, such as quantum communication and distant clock synchronization.