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 ...
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 ...
Rodríguez Fortuño, Francisco José; Engheta, Nader(American Physical Society, 2012-03-16)
[EN] We theoretically explore the possibility of reducing propagation loss in a metal-insulator-metal (MIM) waveguide, using mode combinations to achieve wall-avoiding field distributions along a certain propagation length. ...
Martínez-Romeu, Josep; Rodriguez-Díez, Iago; Golat, Sebastian; Rodríguez-Fortuño, Francisco J.; Martínez, Alejandro(Optical Society of America, 2024-03-01)
[EN] We calculate numerically the optical chiral forces in rectangular cross-section dielectric waveguides for potential enantiomer separation. Our study considers force strength and time needed for separating chiral ...
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 ...
Rodríguez Fortuño, Francisco José(Universitat Politècnica de València, 2013-02-18)
[ES] Esta tesina, tras una introducción teórica a los novedosos campos de los
metamateriales y la plasmónica, describe los esfuerzos de investigación realizados por el autor para
la ideación de un innovador metamaterial ...
Rodríguez Fortuño, Francisco José(Universitat Politècnica de València, 2013-07-18)
La plasmónica es la ciencia que estudia la interacción, a escala nanométrica, entre la luz y los electrones libres de los metales, dando lugar a la propagación de ondas altamente confinadas a su superficie. La plasmónica ...
Experimental evidence is reported on the control of the directionality of guided electromagnetic microwaves
by the polarization of the exciting wave. Experiments are conducted using a two-dimensional waveguide made
of ...
[EN] The ability to manufacture metamaterials with exotic electromagnetic properties has potential for surprising new applications. Here we report how a specific type of metamaterial-one whose permittivity is near zero-exerts ...
[EN] The interaction of light with subwavelength metallic nano-structures is at the heart of different
current scientific hot topics, namely plasmonics, metamaterials and nanoantennas. Research in
these disciplines during ...
Rodríguez Fortuño, Francisco José; Ortuño Molinero, Rubén; García Meca, Carlos; Martí Sendra, Javier; Martínez Abietar, Alejandro José(American Institute of Physics (AIP), 2012)
Optical measurements of the transmission spectra through nanofabricated planar arrays of silver u-shaped nanowires on a silicon substrate resonating at infrared frequencies are performed. Good agreement with the numerically ...
Rodríguez Fortuño, Francisco José; Martínez Marco, Mª Luz; Tomás Navarro, Begoña; Ortuño Molinero, Rubén; Martí Sendra, Javier; Martínez Abietar, Alejandro José; Rodríguez Cantó, Pedro Javier(American Institute of Physics, 2011)
In this work, we report the design, fabrication, and characterization of gold nanocrosses for chemosensing purposes. The nanocrosses are designed to exhibit a localized surface plasmon resonance which is very sensitive to ...
Optical forces allow manipulation of small particles and control of nanophotonic structures
with light beams. While some techniques rely on structured light to move particles using field intensity gradients, acting locally, ...
Martínez-Romeu, Josep; Rodriguez-Díez, Iago; Golat, Sebastian; Rodríguez-Fortuño, Francisco J.; Martínez, Alejandro(Walter de Gruyter GmbH, 2024-11-24)
[EN] Chiral optical forces exhibit opposite signs for the two enantiomeric versions of a chiral molecule or particle. If large enough, these forces might be able to separate enantiomers all optically, which would find ...
Ginzburg, Pavel; Rodríguez Fortuño, Francisco José; Wurtz, G.A.; Dickson, W.; Murphy, Antony; Morgan, F.; Pollard, Robert; Iorsh, Ivan; Atrashchenko, Alexander; Belov, Pavel; Kivshar, Y.S.; Nevet, A.; Ankonina, G.; Orenstein, M.; Zayats, A.V.(Optical Society of America, 2013-06-13)
[EN] One of the basic functionalities of photonic devices is the ability to manipulate the polarization state of light. Polarization components are usually implemented using the retardation effect in natural birefringent ...
Ortuño Molinero, Rubén; García Meca, Carlos; Rodríguez Fortuño, Francisco José; Martí Sendra, Javier; Martínez Abietar, Alejandro José(Optical Society of America: Open Access Journals, 2010-04-12)
We study numerically and theoretically the optical transmission of nanostructured gold films embedded in dielectric claddings. We show how multiple transmission peaks appear as the claddings thickness increases. These ...
Rodríguez Fortuño, Francisco José; Marino, Giuseppe; Ginzburg, Pavel; O’Connor, Daniel; Martínez Abietar, Alejandro José; Wurtz, Gregory A.; Zayats, Anatoly V.(American Association for the Advancement of Science, 2013-04-19)
Wave interference is a fundamental manifestation of the superposition principle with numerous applications. Although in conventional optics, interference occurs between waves undergoing different phase advances during ...
Espinosa Soria, Alba; Rodríguez Fortuño, Francisco José; Griol Barres, Amadeu; Martínez Abietar, Alejandro José(American Chemical Society, 2017)
[EN] Full measurement of the polarization of light at the nanoscale is expected to be crucial in many scientific and technological disciplines. Ideally, such measurements will require miniaturized Stokes polarimeters able ...
Rodríguez Fortuño, Francisco José; Barber-Sanz, Isaac; Puerto Garcia, Daniel; Griol Barres, Amadeu; Martínez Abietar, Alejandro José(American Chemical Society, 2014-09)
The efficient manipulation of circularly polarized light with the proper handedness is key in many photonic applications. Chiral structures are capable of distinguishing photon handedness, but while photons with the right ...
Rodríguez Fortuño, Francisco José; Puerto Garcia, Daniel; Griol Barres, Amadeu; Bellieres, Laurent Christophe; Martí Sendra, Javier; Martínez Abietar, Alejandro José(Optical Society of America, 2014-03-15)
Intuitively, light impinging on a spatially mirror-symmetric object will be scattered equally into mirror-symmetric directions. This intuition can fail at the nanoscale if the polarization of the incoming light is properly ...