Entangled Two-Photon Wave Packet in a Dispersive Medium

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PhysRevLett.88.183601.pdf (163.47 KB)

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https://link.aps.org/doi/10.1103/PhysRevLett.88.183601

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http://doi.org/10.1103/PhysRevLett.88.183601
 http://hdl.handle.net/11603/40007

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UMBC Physics Department
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Author/Creator ORCID

https://orcid.org/0000-0002-7476-6119
 https://orcid.org/0000-0002-3399-2101

Date

2002-04-17

Type of Work

journal articles
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Citation of Original Publication

Valencia, Alejandra, Maria V. Chekhova, Alexei Trifonov, and Yanhua Shih. “Entangled Two-Photon Wave Packet in a Dispersive Medium.” Physical Review Letters 88, no. 18 (2002): 183601. https://doi.org/10.1103/PhysRevLett.88.183601.

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©2002 American Physical Society

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UMBC Quantum Optics Laboratory

Abstract

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.