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21 results on '"Moreno Y"'

7. Activity concentration measurements of 137Cs, 90Sr and 40K in a wild food matrix reference material (Wild Berries) CCRI(II)-S8

Author

Wätjen, U, primary, Altzitzogloa, T, additional, Ceccatelli, A, additional, Dikmen, H, additional, Ferreux, L, additional, Frechou, C, additional, García, L, additional, Gündogdu, G, additional, Kis-Benedek, G, additional, La Rosa, J, additional, Luca, A, additional, Moreno, Y, additional, Oropesa, P, additional, Pierre, S, additional, Schmiedel, M, additional, Spasova, Y, additional, Szücs, L, additional, Vasile, M, additional, Wershofen, H, additional, and Yücel, Ü, additional

Published
2014
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20. Theory of cavity-enhanced spontaneous four wave mixing.

Author

Garay-Palmett, K., Jeronimo-Moreno, Y., and U'Ren, A. B.

Abstract

In this paper we study the generation of photon pairs through the process of spontaneous four wave mixing (SFWM) in a x(3) cavity. Our key interest is the generation of photon pairs in a guided-wave configuration--fiber or waveguide--where at least one of the photons in a given pair is matched in frequency and bandwidth to a particular atomic transition, as required for the implementation of photon-atom interfaces. We present expressions, along with plots, for the two-photon joint intensity both in the spectral and temporal domains. We also present expressions for the absolute brightness, along with numerical simulations, and show that the presence of the cavity can result in a flux enhancement relative to an equivalent source without a cavity. [ABSTRACT FROM AUTHOR]

Published
2013
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21. Theory of cavity-enhanced spontaneous parametric downconversion.

Author

Jeronimo-Moreno, Y., Rodriguez-Benavides, S., and U’Ren, A.

Abstract

In this paper we study photon pairs generated in a nonlinear cavity composed of a nonlinear crystal surrounded by mirrors, by the process of spotaneous parametric downconversion. We analyze two different regimes: singly-resonant cavities where the signal and idler modes are resonant and doubly-resonant cavities where the pump mode is also resonant. We present analytic expressions for the joint spectral amplitude in these two cases and study the reduction in emission bandwidth as the cavity coefficient finesse is increased. We also study the enhancement of the source brightness from the presence of the cavity. [ABSTRACT FROM AUTHOR]

Published
2010
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