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Optimisation of Parametric Processes in Nonlinear Optical Waveguides
[ANGLÈS] This Master's Thesis presents an optimisation of parametric processes on two different materials used for optical communications. The main objective is to determine whether they are suitable for all-optical signal processing. Different methods for simulating the key parameters affecting their nonlinear behaviour are discussed, and a selection of them have been implemented in Matlab® to be used in the optimisation procedure. Such optimisation is based on maximising the efficiency of the parametric Four-Wave Mixing (FWM) process. This has been achieved by tailoring the waveguide geometry to engineer the dispersion properties, to minimise the propagation loss, and to maximise the nonlinear performance of the medium. The influence of the input pump power on the latter has also been discussed. Additionally, we present a comparison between different nonlinear media that resulted in a publication.
Miscel·lània Pere Bohigas
Miscelšlània Pere Bohigas.-v.1
Barcelona and Modernity
Catalogus van een tentoonstelling van werk van Catalaanse kunstenaars.
Permafrost
"Permafrost es el sorprendente debut de Eva Baltasar, una historia contundente, íntima y carnal de una protagonista con pulsiones suicidas que se protege del exterior pero se entrega con intensidad al sexo con otras mujeres, la literatura y el arte. El permafrost es esa capa de la tierra permanentemente congelada y es también la membrana que cubre a la protagonista de esta novela. Escrita en primera persona, nos presenta a una mujer en etapa de formación que se protege del exterior, que percibe la superficialidad en todo cuanto la rodea y huye de un entorno que nada tiene que ver con su manera de entender la vida: una madre obsesionada con la salud, omnipresente y controladora, y una herm...
Barcelonas
Barcelona, the exuberant capital of Catalonia and host of the 1992 Olympics, is here explored and exposed by its greatest contemporary author. Manuel Vazquez Montalban's anecdotal history takes us on an imaginary tour of the city, from its most secret corners to its most famous monuments. An erudite and impassioned guide, Montalban finds a controversy in every building, a story in every street, illuminating the city's rich history and turbulent politics, its art, gastronomy and football. There are many Barcelonas, and Montalban knows them all: the lavish art-nouveau houses in Vallvidrera where he himself lives; the labyrinthine squalor of the Barri Xino, setting for Genet's Thief's Journal; ...
Thinking Barcelona
Thinking Barcelona studies the ideologies that redefined Barcelona during the 1980s and helped the city adapt to a new economy of tourism, culture, and services. Looking specifically at the lead-up to the 1992 Olympic Games and the urban renewal geared toward establishing Barcelona as a happy combination of European cosmopolitanism and Mediterranean rootedness, Edgar Illas situates Barcelona as a key example of contemporary urban rebranding after the fall of communism and the establishment of the neoliberal “end of history.” Looking at a host of materials associated with the games as well as contemporary architectural and literary works, he offers a compelling look at postmodern globalization as it manifests itself through urban regeneration.
Death in Spring
Merce Rodoreda depicts the story of the bizarre and destructive customs of a nameless town-burying the dead in trees after filling their mouths with cement to prevent their soul from escaping, or sending a man to swim in the river that courses underneath the town to discover if they will be washed away by a flood-through the eyes of a fourteen-year-old boy who must come to terms with the rhyme and reason of this ritual violence, and with his wild, child-like, and teenaged stepmother, who becomes his playmate.
Astrology and Numerology in Medieval and Early Modern Catalonia
The Tractat de prenostication de la vida natural dels hòmens, a late fifteenth-century Catalan incunable, draws on a rich tradition of astrological magic, geomancy, Pythagorean numerology, and Hebrew gematria. This practical manual offers a method of determining the birth sign based on calculations performed on the subject’s name and his or her mother’s name. The critical edition includes a literary, historical, and linguistic study; an English translation; and a Catalan-English glossary. The Tractat reveals Catalan sources for prognostication, a unique expression of medieval syncretism, the mingling of traditions, and the development of new ideas. It is a rare find for Hispanists and others interested in astrology, magic, the history of science, and early print culture.
