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Browsing by Author "Martínez Abietar, Alejandro José"

Now showing items 1-20 of 136

A one-dimensional optomechanical crystal with a complete phononic band gap

Gomis Bresco, Jordi; Navarro Urríos, Daniel; Oudich, M.; El-Jallal, S.; Griol Barres, Amadeu; Puerto Garcia, Daniel; Chavez, E.; Pennec, Y.; Djafari-Rouhani, B.; Alzina, F.; Martínez Abietar, Alejandro José; Sotomayor Torres, C.M. (Nature Publishing Group, 2014-07)

[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) ...
A self-stabilized coherent phonon source driven by optical forces

Navarro Urríos, Daniel; Capuj, N. E.; Gomis-Bresco, J.; Alzina, F.; Pitanti, A.; Griol Barres, Amadeu; Martínez Abietar, Alejandro José; Sotomayor Torres, C. M. (Nature Publishing Group, 2015-10-27)

[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 ...
Analogue of the quantum hanle effect and polarization conversion in non-hermitian plasmonic metamaterials

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 ...
Analogue transformation acoustics and the compression of spacetime

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 ...
Analogue Transformations in Physics and their Application to Acoustics

García Meca, Carlos; Carloni, S.; Barcelo, C.; Jannes, G.; Sánchez-Dehesa Moreno-Cid, José; Martínez Abietar, Alejandro José (Nature Publishing Group, 2013-06-18)

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 ...
Analysis of optomechanical coupling in two-dimensional square lattice phoxonic crystal slab cavities

El-Jallal, Said; Oudich, Mourad; Pennec, Yan; Djafari-Rouhani, Bahram; Laude, Vincent; Beugnot, Jean-Charles; Martínez Abietar, Alejandro José; Escalante Fernández, José María; Makhoute, Abdelkader (American Physical Society, 2013)

[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 ...
Antena de microdisco para control de la polarización circular

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 ...
Band gaps and cavity modes in dual phononic and photonic strip waveguides

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 ...
Band Gaps and Waveguiding in Phoxonic Silicon Crystal Slabs

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 ...
Characterization of molecular monolayers on photonic nanostructures for integrated THz detectors

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 ...
Classical emergence of intrinsic spin-orbit interaction of light at the nanoscale

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 ...
Coherent Control of a Plasmonic Nanoantenna Integrated on a Silicon Chip

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 ...
Compact Dual-Band Terahertz Quarter-Wave Plate Metasurface

Torres, Victor; Sánchez Losilla, Nuria; Etayo, David; Ortuño Molinero, Rubén; Navarro-Cía, Miguel; Martínez Abietar, Alejandro José; Beruete, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2014-08-15)

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, ...
Continuous-wave frequency upconversion with a molecular optomechanical nanocavity

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 ...
Cristales foXónicos. Estructuras fotónicas y fonónicas de onda lenta. Ganancia óptica en cavidades foXónicas

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 ...
Demonstration of near infrared gas sensing using gold nanodisks on functionalized silicon

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 ...
Desarrollo de capas porosas mediante procesos de síntesis para la creación de biosensores fotónicos

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 ...
Desarrollo de elementos adaptadores de tamaño para la miniaturización de chips fotónicos de sensado

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 ...
Desarrollo de estructuras nanofotónicas de sensado de alta sensibilidad y mayor tolerancia a desviaciones de fabricación

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, ...
Desarrollo de un biosensor nanofotónico de prolactina basado en grafeno

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 ...