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Atomic Physics Seminars
| SPECIAL ATOMIC SEMINAR
Tuesday, November 30, 1999
Physics Building, Room 204
Note special date.
Prof. Alexander Sergienko
[Host: Olivier Pfister]
"Polarized Entangled Photons In Quantum Communications and Optical Metrology"
A pair of photons (two-photon state) generated in the nonlinear process of
parametric down conversion (SPDC) is strongly entangled in energy,
polarization, time, and space
(momentum). Although these two-photon entangled states have primarily been
used in fascinating
tests of some of the counterintuitive foundations of the quantum theory,
their quantum features
are also a powerful generator of novel practical applications which either
outperform their classical
counterparts or do not have any classical analogues at all. We shall discuss
a several experimental
results in the area of quantum communications and optical measurement.
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