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Autor Carreño Sánchez, Fernando |
Documentos disponibles escritos por este autor (48)
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Melle Hernández, Sonia ; Gómez Calderón, Óscar ; Egatz-Gómez, Ana ; Cabrera Granado, Eduardo ; Carreño Sánchez, Fernando ; Salavagione, H. J. ; Antón Revilla, Miguel Ángel | OSA Publishing | 2014-04-08We analyze the phase shift induced in an amplitude-modulated laser beam propagating through a water dispersion of graphene oxide sheets in a fiber-to-fiber U-bench. This phase shift arises from the thermally induced nonlinear refraction in the s[...]![]()
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Carreño Sánchez, Fernando ; Yannopapas, V. ; Antón Revilla, Miguel Ángel ; Paspalakis, Emmanuel | American Physical Society | 2019-08-05We study theoretically the statistics of photons generated by a quantum emitter located in the vicinity of a periodic plasmonic nanostructure. The presented formalism is based on a macroscopic QED formalism in conjunction with a density-matrix a[...]![]()
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Carreño Sánchez, Fernando ; Antón Revilla, Miguel Ángel ; Melle Hernández, Sonia ; Gómez Calderón, Óscar ; Cabrera Granado, Eduardo ; Cox, Joel ; Singh, Mahi R. ; Egatz-Gómez, Ana | American Institute of Physics Publising | 2014A scheme for terahertz (THz) generation from intraband transition in a self-assembled quantum dot (QD) molecule coupled to a metallic nanoparticle (MNP) is analyzed. The QD structure is described as a three-level atom-like system using the densi[...]![]()
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Cox, Joel D. ; Singh, Mahi R. ; Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando | IOP Publishing Ltd. | 2013-08-29Nonlinear two-photon absorption in a quantum dot–graphene nanoflake nanocomposite system has been investigated. An external laser field is applied to the nanocomposite to simultaneously observe two-photon processes in the quantum dot and excite [...]![]()
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Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando ; Melle Hernández, Sonia ; Calderón, Oscar Gómez ; Cabrera Granado, Eduardo ; Cox, Joel ; Singh, Mahi R. | American Physical Society | 2012We have investigated the coherent transfer of excitonic populations in a semiconductor quantum dot (SQD) modulated by the surface plasmon of a metallic nanoparticle (MNP). The SQD is considered as a three-level V-type atomic system. We applied a[...]![]()
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Gómez Calderón, Óscar ; Melle Hernández, Sonia ; Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando ; Arrieta Yáñez, Francisco ; Cabrera Granado, Eduardo | American Physical Society | 2008-11-10We analyze the propagation regime of an amplitude-modulated 1536 nm signal when traveling along a highly doped erbium fiber pumped at 977 nm as a function of the fiber length. A propagation-induced transition from superluminal to subluminal p[...]![]()
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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[...]![]()
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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[...]![]()
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Carreño Sánchez, Fernando ; Antón Revilla, Miguel Ángel ; Yannopapas, V. ; Paspalakis, E. | American Physical Society | 2016-07-19We theoretically study the resonance fluorescence spectrum of a three-level quantum emitter coupled to a spherical metallic nanoparticle. We consider the case that the quantum emitter is driven by a single laser field along one of the optical tr[...]![]()
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Carreño Sánchez, Fernando ; Antón Revilla, Miguel Ángel ; Arrieta Yáñez, Francisco | American Physical Society | 2013-11-08The resonance fluorescence spectrum (RFS) of a hybrid system consisting of a p-doped semiconductor quantum dot (QD) coupled to a metallic nanoparticle (MNP) is analyzed. The quantum dot is described as a four-level atomlike system using the dens[...]![]()
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Melle Hernández, Sonia ; Gómez Calderón, Óscar ; Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando ; Egatz-Gómez, Ana | OSA Publishing | 2012The homogeneous linewidth of the transition I15/24?I13/24 in highly doped erbium fibers and its dependence with temperature in the range from 10 to 50 K are experimentally characterized using spectral hole burning. The homogeneous linewidth depe[...]![]()
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Carreño Sánchez, Fernando ; Arrieta Yáñez, Francisco ; Antón Revilla, Miguel Ángel | Elsevier | 2015-05-15The spin initialization of a hybrid system consisting of a p-doped semiconductor quantum dot coupled to a gold bowtie nanoantenna is analyzed. The quantum dot is described as a four-level atom-like system using the density matrix formalism. The [...]![]()
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Gonzalo Fonrodona, Isabel ; Antón Revilla, Miguel Ángel ; Carreño Sánchez, Fernando ; Gómez Calderón, Óscar | American Physical Society | 2005-09-13The squeezing spectrum of the fluorescent light is investigated for a laser-driven three-level atom of the Lambda configuration when quantum interference of the decay channels is accounted for. We show that when the two atomic transitions contri[...]![]()
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Carreño Sánchez, Fernando ; Zoido Chamorro, Jesús Manuel | The Optical Society Of America | 1999-01-01By assuming that color matches are normally distributed in XYZ space, we present a rigorous statistical technique to obtain regions of equally noticeable chromaticity differences. The probability density function of color matches in (x, y, Y) sp[...]![]()
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Carreño Sánchez, Fernando ; Gómez Calderón, Óscar ; Antón Revilla, Miguel Ángel ; Gonzalo Fonrodona, Isabel | American Physical Society | 2005-06-15We study the dispersion and absorption spectra of a weak probe in a Delta-type three-level atomic system with closely ground sublevels driven by a strong field and damped by a broadband squeezed vacuum. We analyze the interplay between the spont[...]![]()
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Zoido Chamorro, Jesús Manuel ; Carreño Sánchez, Fernando ; Bernabeu Martínez, Eusebio | IOP Publishing Ltd. | 1999-05Colour detection systems can be specified in terms of a set of spectral functions (colour-matching functions in the case of human observers). By taking these functions into account we define the characteristic matrix associated with a given colo[...]![]()
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We present a discussion about the influence of luminance on the geometry of color-difference thresholds. By assuming that color matchings are normally distributed in XYZ space, we have shown [Appl Opt 38:208–219 (1999)] that the probability dens[...]![]()
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Ezquerro Rodríguez, José Miguel ; Carreño Sánchez, Fernando ; Zoido Chamorro, Jesús Manuel ; Bernabeu Martínez, Eusebio | John Wiley & Sons, Inc. | 2001-08In this research we compare the colorimetric behavior of several observers. For color centers recommended by CIE we have produced large sets of spectral distributions, which are metameric for the CIE 1931 standard observer. For each one of the c[...]![]()
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Presented in this article is a method for the determination of the Weber fraction by analyzing data obtained from color-matching experiments. The method is based on a rigorous analysis of the probability density function derived from discriminat[...]![]()
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Carreño Sánchez, Fernando ; Ezquerro Rodríguez, José Miguel ; Zoido Chamorro, Jesús Manuel | John Wiley & Sons, Inc. | 2006-12We present an analytical method to analyze, from a theoretical point of view, the influence of color-matching functions on the perception of luminance thresholds. We show that the thresholds depend on the spectral responsivities of each observer[...]![]()
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Carreño Sánchez, Fernando ; Ezquerro Rodríguez, José Miguel ; Zoido Chamorro, Jesús Manuel | John Wiley & Sons, Inc. | 2009-06An analytical method to determine how color-matching functions influence the perception of chromaticity differences is proposed. We show that, as a consequence of the observer metamerism, a metameric color-match perceived by one observer may app[...]![]()
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Melle Hernández, Sonia ; Calderón, Oscar Gómez ; Egatz-Gómez, Ana ; Cabrera Granado, Eduardo ; Carreño Sánchez, Fernando ; Antón Revilla, Miguel Ángel | The Optical Society Of America | 2015-10-26We experimentally study the temporal dynamics of amplitude-modulated laser beams propagating through a water dispersion of graphene oxide sheets in a fiber-to-fiber U-bench. Nonlinear refraction induced in the sample by thermal effects leads to [...]![]()
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The obtention of spontaneous Raman photons is analyzed in singly charged p-doped quantum dots in the absence of an external magnetic field. The use of a far detuned single driving laser allows to obtain a Raman photon line which exhibits subnatu[...]