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Quantum fluctuations in nonlinear optical systems

AuthorsZambrini, Roberta
AdvisorSan Miguel, Maxi
Issue Date16-May-2003
PublisherUniversidad de las Islas Baleares
AbstractThe subject of quantum structures in nonlinear optics is a quite recent interdisciplinary field. It deals with the quantum properties of electromagnetic radiation in self-organized spatial structures. Until the decade of 1980 the areas of quantum optics and self-organized patterns were investigated by two different communities: • Most of the literature about pattern formation was concerned with classical features of the phenomenon [Haken, Cross & Hohenberg]. The effects of fluctuations in the process of pattern formation have been analyzed at length [Garc´ıa-Ojalvo & Sancho, San Miguel & Toral]. In fact, fluctuations allow for the exploration of several states, even producing new states, absent in a deterministic scenario (noise-induced states). However, there are only few studies about classical correlations functions and long-range spatial correlations in patterns. In addition, the possibility of quantum correlations in pattern formation was not investigated in detail. • Theoretical and experimental results concerning quantum phenomena in optics were obtained neglecting the spatial effects associated with the transverse profile of light beams [Walls & Milburn, Mandel & Wolf]. Only a spatial mode of the electromagnetic field at a frequency was generally considered (single-mode field). These models describe the experimental situation in which the whole light beam is detected with a single photodetector. Temporal fluctuations were mostly investigated, neglecting any spatial effects in the transverse area of the light beam.
DescriptionTesis doctoral de la Universidad de las Islas Baleares, del Instituto Mediterráneo de Estudios Avanzados (IMEDEA-CSIC/UIB).-- Texto en inglés, agradecimientos en castellano, italiano e inglés.-- 183 pages, 3 appendixes.
Appears in Collections:(IFISC) Tesis
(IMEDEA) Tesis
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