[EN] Recent years have witnessed the boom of cavity optomechanics, which exploits the confinement and coupling of optical and mechanical waves at the nanoscale. Among their physical implementations, optomechanical (OM) ...
[EN] We report a novel injection scheme that allows for phonon lasing in a one-dimensional optomechanical photonic crystal, in a sideband unresolved regime and with cooperativity values as low as 10-2. It extracts energy ...
Ginzburg, Pavel; Rodríguez Fortuño, Francisco José; Martínez Abietar, Alejandro José; Zayats, Anatoly V.(American Chemical Society, 2012-12)
The Hanle effect, one of the first manifestations of quantum theory introducing the concept of coherent superposition between pure states, plays a key role in numerous aspects of science varying from applicative spectroscopy ...
García Meca, Carlos; Carloni, Sante; Barceló, Carlos; Jannes, Gil Georges Paul; Sánchez-Dehesa Moreno-Cid, José; Martínez Abietar, Alejandro José(Elsevier, 2014-08)
A recently developed technique known as analogue transformation acoustics has
allowed the extension of the transformational paradigm to general spacetime
transformations under which the acoustic equations are not form ...
Transformation optics has shaped up a revolutionary electromagnetic design paradigm, enabling scientists
to build astonishing devices such as invisibility cloaks. Unfortunately, the application of transformation
techniques ...
[EN] We theoretically investigate phonon-photon interaction in cavities created in a phoxonic crystal slab constituted by a two-dimensional (2D) square array of holes in a silicon membrane. The structure without defects ...
Barber Sanz, Isaac(Universitat Politècnica de València, 2015-01-05)
La eficiente manipulación de la luz polarizada circularmente con el apropiado sentido de giro, dextrógiro o levógiro, es clave en muchas aplicaciones fotónicas. Existen estructuras quirales capaces de distinguir la dirección ...
Pennec, Yan; Rouhani, Bahram Djafari; Li, C.; Escalante Fernández, José María; Martínez Abietar, Alejandro José; Benchabane, Sarah; Laude, Vincent; Papanikolaou, N.(American Institute of Physics, 2011)
[EN] We discuss theoretically the simultaneous existence of phoxonic, i.e., dual phononic and photonic, band gaps in a periodic silicon strip waveguide. The unit-cell of this one-dimensional waveguide contains a hole in ...
Pennec, Y.; Rouhani, B. Djafari; El Boudouti, E. H.; Li, C.; El Hassouani, Y.; Vasseur, J. O.; Papanikolaou, N.; Benchabane, S.; Laude, V.; Martínez Abietar, Alejandro José(The Physical Society of the Republic of China, 2011-02)
[EN] We discuss the simultaneous existence of phoxonic, i.e., phononic and photonic, band gaps in a periodic array of holes drilled in a Si membrane. We investigate in detail both the square and the honeycomb lattices. We ...
Camarena Pérez, María(Universitat Politècnica de València, 2022-06-15)
[ES] La combinación de la plasmónica y la optomecánica molecular está demostrando ser un campo potencialmente prometedor para el desarrollo de sensores de THz integrados que permiten acoplar esta señal a la del espectro ...
Vázquez-Lozano, Juan Enrique; Martínez Abietar, Alejandro José(American Physical Society, 2018)
[EN] Traditionally, in macroscopic geometrical optics intrinsic polarization and spatial degrees of freedom of light can be treated independently. However, at the subwavelength scale these properties appear to be coupled ...
Espinosa-Soria, Alba; Pinilla-Cienfuegos, Elena; Díaz-Fernández, Francisco Javier; Griol Barres, Amadeu; Martí Sendra, Javier; Martínez Abietar, Alejandro José(American Chemical Society, 2018)
[EN] Illuminating a plasmonic nanoantenna by a se of coherent light beams should tremendously modify its scattering, absorption and polarization properties, thus, enabling all-optical dynamic manipulation. However, diffraction ...
A dual-band quarter-wave plate based on a modified extraordinary transmission hole array is numerically analyzed and experimentally demonstrated at terahertz frequencies. To control independently orthogonal polarizations, ...
Chen, Wen; Roelli, Philippe; Hu, Huatian; Verlekar, Sachin; Amirtharaj, Sakthi Priya; Barreda, Ángela I.; Kippenberg, Tobias J.; Kovylina, Miroslavna; Verhagen, Ewold; Martínez Abietar, Alejandro José; Galland, Christophe(American Association for the Advancement of Science (AAAS), 2021-12-03)
[EN] Coherent upconversion of terahertz and mid-infrared signals into visible light opens new horizons for spectroscopy, imaging, and sensing but represents a challenge for conventional nonlinear optics. Here, we used a ...
Escalante Fernández, José María(Universitat Politècnica de València, 2013-06-19)
[ES] Este trabajo presenta dos temas que se engloban en marcos teóricos diferentes pero a su vez interrelacionados. Los objetivos de la primera parte del trabajo (apartados I, II, III y IV ) son el desarrollo teórico de ...
Rodríguez Cantó, Pedro Javier; Martínez Marco, Mª Luz; Rodríguez Fortuño, Francisco José; Tomás Navarro, Begoña; Ortuño Molinero, Rubén; Peransi Llopis, Sergio Manuel; Martínez Abietar, Alejandro José(Optical Society of America, 2011)
[EN] In this work, we demonstrate experimentally the use of an array of gold nanodisks on functionalized silicon for chemosensing purposes. The metallic nanostructures are designed to display a very strong plasmonic resonance ...
Chico Rodríguez, Laura(Universitat Politècnica de València, 2022-09-05)
[ES] Los biosensores fotónicos utilizan la interacción de la luz con la materia para detectar analitos presentes en ella, siendo una de las estrategias la interferometría Fabry-Pérot. Recientes estudios realizados en el ...
Pi Martín, Irene(Universitat Politècnica de València, 2020-07-24)
[ES] Este documento recoge el proceso de desarrollo de elementos adaptadores de tamaño para la miniaturización de chips fotónicos de sensado. El objetivo del proyecto es poder emplear chips más pequeños y optimizar la ...
Maza Pino, Anny Michelle(Universitat Politècnica de València, 2017-10-16)
[ES] La nanotecnología es un campo que se encuentra actualmente en crecimiento
constante. Una de sus aplicaciones, en el ámbito de la medicina, es el desarrollo de biosensores.
Dentro de esta variedad de dispositivos, ...
Zafra Blázquez, Eva(Universitat Politècnica de València, 2022-10-06)
[ES] Los sensores fotónicos son un tipo de dispositivo que utilizan la interacción de la luz con la materia en sus distintas formas para detectar y cuantificar la presencia de moléculas. Las ventajas que presentan frente ...