Sunday, April 25, 2010

the maximum probability


Based on the TEM01 Laguerre-Gausssian beams and TEM20 Hermite-Gaussian beams, The theoretical model of single-photon acquisition is cheap evening dresses analyzed. The single-photon acquisition is analyzed for the laser links between a ground station and a satellite in a low earth orbit. To acquire the single-photon, a bright precursor reference pulse which carries no key custom made prom dresses information can be used to set a short time window within which to look for the single-photon. The single-photon can be acquired by the receiver at the maximum probability when the Hermite-Gaussian beams and the Laguerre-Gaussian beams are used. The single-photon capture blog new shirts 2010 probabilities are in general order of magnitude at 10-2~10-4 of two Gaussian beams. Based on the BB84 protocol, set up low-orbit satellite-ground station between the quantum communication system model. Through the capture of single-photon probability, quantum bit-rate and quantum bit error rate's cheap polo shirts numerically calculating and analyzing. we can know that the communication is feasible between the best clothes blog low-orbit satellites and ground stations.The research work in this paper is the discount wedding prom dresses key technology for the realization of satellite quantum communication, provides a theoretical and experimental foundation for the actual satellite quantum communication system design.
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