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Piquero Sanz, Gemma María ; Santarsiero, Massimo ; Gori, Franco ; González de Sande, Juan Carlos | IOP Publishing, Ltd. | 2013-05Planar electromagnetic sources characterized by a periodic variation of their beam coherence-polarization matrix are investigated, as far as the polarization features of the radiated fields are concerned, within the framework of the paraxial app[...]texto impreso
We investigate the far field diffraction process produced by diffraction gratings with two roughness levels, such as steel tape gratings, which are used in environments where diffraction gratings made of glass are not possible. We obtain the ana[...]texto impreso
Sánchez Brea, Luis Miguel ; Torcal Milla, Francisco José ; Hoyo Muñoz, Jesús del ; Cuadrado Conde, Alexander ; Gómez Pedrero, José Antonio | IOP Publishing, Ltd. | 2020-04-02Conventional refractive lenses concentrate the incident light at focal distance. A narrow beam waist can be achieved by increasing the lens numerical aperture, but strongly reduces the depth of focus. In this paper, we explore diffractive lenses[...]texto impreso
Piquero Sanz, Gemma María ; González de Sande, Juan Carlos ; Santarsiero, Massimo ; Gori, Franco | IOP Publishing, Ltd. | 2014-03The irradiance and polarization characteristics of quasi-monochromatic partially coherent electromagnetic beams are analyzed when they propagate after passing through a deterministic linear optical element, i.e., an optical element that can be r[...]texto impreso
Linear and nonlinear properties in an ensemble of single-hole spin InGaAs/GaAs quantum dots are theoretically studied. The application of a DC magnetic field in the semiconductor growth plane induces a Zeeman splitting of the hole levels which c[...]texto impreso
Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando ; Gómez Calderón, Óscar ; Melle Hernández, Sonia ; Cabrera Granado, Eduardo | IOP Publishing, Ltd. | 2016-02We propose a scheme for controlling the absorption and RFS of a quantum dot (QD) with broken inversion symmetry interacting with a plasmonic nanostructure. The QD is described as a two-level atom-like system with a permanent dipole moment in the[...]texto impreso
Arrieta Yáñez, Francisco ; Gómez Calderón, Óscar ; Melle Hernández, Sonia | IOP Publishing, Ltd. | 2010-09-24In this paper we review the main results on slow and fast light induced by coherent population oscillations in optical fibres doped with erbium ions. We explain the physics behind this technique and we describe the experimental realization. Fina[...]texto impreso
Piquero Sanz, Gemma María ; Monroy, L. ; Santarsiero, M. ; Alonzo, M. ; González de Sande, Juan Carlos | IOP Publishing, Ltd. | 2018-06A simple optical system is proposed to generate full-Poincare beams (FPBs), i.e. beams presenting all possible states of (total) polarization across their transverse section. The method consists in focusing a uniformly polarized laser beam onto [...]texto impreso
Cabrera Granado, Eduardo ; Soler Rus, Miguel Odín ; Guerra Pérez, José Manuel | IOP Publishing, Ltd. | 2010-01-20A study on the spatio-temporal dynamics of broad-area Nd:YAG (yttrium aluminium garnet), Nd-doped phosphate glass and Nd-doped silicate glass lasers is presented to show the influence of the inhomogeneous gain profile and cross-relaxation phenom[...]
