Browsing by Subject "Numerical approaches"
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Item Open Access Measurement strategies for input estimation in linear systems(IEEE, 2007) Özçelikkale, Ayça; Özaktaş, Haldun M.; Arıkan, ErdalIn this work, we present a mathematical approach for some of the measurement problems arising in optics, which is also applicable to other contexts. We see the measurement problem as the problem of determining the best measurement strategy to estimate an unknown stochastic process by noisy measurements. The number of measurement devices, their positions and qualities characterize the measurement strategies. The model we use also includes a cost function based on resolving powers of sensors. We are unable to offer a solution to this problem in such generality; but for the metrical problem in which the number and locations of the measurement devices are fixed, we present an efficient numerical approach.Item Open Access Quantum correlated light pulses from sequential superradiance of a condensate(2009) Taşgin, M.E.; Oktel, M. Ö.; You L.; MüstecaplIoǧlu Ö.E.We discover an inherent mechanism for entanglement swap associated with sequential superradiance from an atomic Bose-Einstein condensate. Based on careful examinations with both analytical and numerical approaches, we conclude that as a result of the swap mechanism, Einstein-Podolsky-Rosen-type quantum correlations can be detected among the scattered light pulses. © 2009 The American Physical Society.