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Optimal Quantum Phase Estimation
U. Dorner, R. Demkowicz-Dobrzanski, B. J. Smith +4
By using a systematic optimization approach we determine quantum states of light with definite photon number leading to the best possible precision in optical two mode interferomet…
Statistics of multiphoton events in spontaneous parametric down-conversion
Wojciech Wasilewski, Czeslaw Radzewicz, Robert Frankowski +1
We present an experimental characterization of the statistics of multiple photon pairs produced by spontaneous parametric down-conversion realized in a nonlinear medium pumped by h…
Intensity of parametric fluorescence pumped by ultrashort pulses
Jan Chwedeńczuk, Wojciech Wasilewski
We investigate intensity of the parametric down conversion of ultrashort, ultraviolet pulse both in a low- and high-conversion regime. In the first regime, we develop a simple anal…