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Browsing by Author "Griol Barres, Amadeu"

Now showing items 1-20 of 40

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 ...
All-Silicon On-Chip Optical Nanoantennas as Efficient Interfaces for Plasmonic Devices

Lechago-Buendia, Sergio; García Meca, Carlos; Griol Barres, Amadeu; Kovylina, Miroslavna; Bellieres, Laurent Christophe; Martí Sendra, Javier (American Chemical Society, 2019-05-01)

[EN] Plasmonic technology promises to unfold new advanced on-chip functionalities with direct applications in photovoltaics, light¿matter interaction, and the miniaturization of optical interconnects at the nanoscale. In ...
Barium titanate (BaTiO3) RF characterization for application in electro-optic modulators

Rosa Escutia, Álvaro; Tulli, Domenico; Castera-Molada, Pau; Gutiérrez Campo, Ana María; Griol Barres, Amadeu; Baquero Escudero, Mariano; Vilquin, Bertrand; Eltes, Felix; Abel, Stefan; Fompeyrine, Jean; Sanchis Kilders, Pablo (The Optical Society, 2017)

[EN] Barium titanate (BaTiO3 or BTO) is currently one of the most promising ferroelectric materials for enabling Pockels modulation that is compatible with silicon photonic circuits. The relative permittivity of BTO has ...
Bimodal grating coupler design on SOI technology for mode division multiplexing at 1550 nm

García-Rodríguez, David; Corral, Juan L.; Griol Barres, Amadeu; Llorente, Roberto (The Optical Society, 2018)

[EN] In this paper, we evaluate by means of simulation and experimentally the simultaneous coupling of the LP01x-LP11ax fiber modes and the TE0-TE1 nanophotonic SOI waveguide modes using a grating coupler for a two-mode ...
Characterisation of on-chip wireless interconnects based on silicon nanoantennas via near-field scanning optical microscopy

Díaz-Fernández, Francisco Javier; Pinilla-Cienfuegos, Elena; García Meca, Carlos; Lechago-Buendia, Sergio; Griol Barres, Amadeu; Martí Sendra, Javier (Institution of Electrical Engineers, 2019-04)

[EN] Recently, a novel Photonic-Integrated Circuit (PIC) paradigm based on the use of a new kind of ultra-directive, lowloss, highly efficient and broadband silicon nanoantenna has enabled the first demonstration of an ...
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 and low-loss asymmetrical multimode interference splitter for power monitoring applications

Zanzi, Andrea; Brimont, Antoine Christian Jacques; Griol Barres, Amadeu; Sanchis Kilders, Pablo; Martí Sendra, Javier (Optical Society of America, 2016-01-15)

[EN] This Letter presents a compact and low-loss 1 x 2 asymmetrical multimode interference (A-MMI) splitter in rib geometry for on-chip power monitoring at 1.55 mu m, where a given alteration of the component cavity ...
Dimensional variation tolerant mode converter/multiplexer fabricated in SOI technology for two-mode transmission at 1550 nm

García-Rodríguez, David; Corral, Juan L.; Griol Barres, Amadeu; Llorente Sáez, Roberto (Optical Society of America, 2017-04-01)

The use of an integrated asymmetrical directional coupler for two-mode transmission at 1550 nm is analyzed. The design is based on silicon-on-insulator (SOI) technology and permits mode conversion and mode multiplexing/d ...
Diseño y evaluación de nanosensores fotónicos para la detección precoz del metilmercurio en la cadena alimentaria

Bermejo Vidal, Cristina (Universitat Politècnica de València, 2017-07-25)

En el siguiente trabajo se ha realizado un diseño, tanto teórico como experimental, de sensores fotónicos basados en la técnica LSPR (Resonancia Plasmónica Superficial Localizada) para su aplicación en la detección precoz ...
Diseño y simulación de nanosensores fotónicos para la detección precoz de la insuficiencia pancreática exocrina

García-Calvo Navarro, Gregorio Gonzalo (Universitat Politècnica de València, 2016-07-12)

[ES] Los nanosensores fotónicos basado en el concepto "Lab-on-Chip" han demostrado aportar soluciones muy interesantes y eficientes para el diagnóstico y la detección precoz de enfermedades e inmunodeficiencias. La elevada ...
Dye-Based Photonic Sensing Systems

Aparicio, F.J.; Alcaire, María; González-Elipe, Agustín; Barranco, Angel; Holgado, Miguel; Casquel, R.; Sanza, F.J.; Griol Barres, Amadeu; Bernier, Damien; Dortu, Fabian; Cáceres Elvira, Santiago; Antelius, Mikael; Lapisa, Martin; Sohlström, Hans; Niklaus, Frank (Elsevier, 2016-06-02)

[EN] We report on dye-based photonic sensing systems which are fabricated and packaged at wafer scale. For the first time luminescent organic nanocomposite thin-films deposited by plasma technology are integrated in photonic ...
Dynamical back-action at 5.5 GHz in a corrugated optomechanical beam

Navarro-Urrios, D.; Gomis-Bresco, J.; El-Jallal, S.; Oudich, M.; Pitanti, A.; Capuj, N.; Tredicucci, A.; Alzina, F.; Griol Barres, Amadeu; Pennec, Y.; Djafari-Rouhani, B.; Martínez Abietar, Alejandro José; Sotomayor Torres, C.M. (American Institute of Physics, 2014-12)

[EN] We report on the optomechanical properties of a breathing mechanical mode oscillating at 5.5 GHz in a 1D corrugated Si nanobeam. This mode has an experimental single-particle optomechanical coupling rate of vertical ...
Experimental measurement of plasmonic nanostructures embedded in silicon waveguide gaps

Espinosa-Soria, Alba; Griol Barres, Amadeu; Martínez Abietar, Alejandro José (Optical Society of America, 2016-05-02)

In this work, we report numerical simulations and experiments of the optical response of a gold nanostrip embedded in a silicon strip waveguide gap at telecom wavelengths. We show that the spectral features observed in ...
Experimental study of subwavelength grating bimodal waveguides as ultrasensitive interferometric sensors

Torrijos-Morán, Luis; Griol Barres, Amadeu; García-Rupérez, Jaime (The Optical Society, 2019-10-01)

[EN] Over the recent years, subwavelength grating (SWG) structures have increasingly attracted attention in the area of evanescent-field photonic sensors. In this Letter, for the first time to the best of our knowledge, ...
Experimental study of the evanescent-wave photonic sensors response in presence of molecular beacon conformational changes

Ruiz-Tórtola, Ángela; Prats-Quílez, Francisco; Gonzalez-Lucas, Daniel; Bañuls Polo, María-José; Maquieira Catala, Angel; Wheeler, Guy; Dalmay, Tamas; Griol Barres, Amadeu; Hurtado Montañés, Juan; Bohlmann, Helge; Götzen, Reiner; García-Rupérez, Jaime (John Wiley & Sons, 2018)

[EN] An experimental study of the influence of the conformational change suffered by molecular beacon (MB) probesupon the biorecognition of nucleic acid target oligonucleotides over evanescent wave photonic sensorsis ...
Experimental study of the sensitivity of a porous silicon ring resonator sensor using continuous in-flow measurements

Caroselli, Raffaele; Ponce-Alcántara, Salvador; Prats-Quílez, Francisco; Martín-Sánchez, David; Torrijos-Morán, Luis; Griol Barres, Amadeu; Bellieres, Laurent Christophe; Bandarenka, Hanna; Girel, Kseniya; Bondarenko, Vitaly; García-Rupérez, Jaime (The Optical Society, 2017-12-11)

[EN] A highly sensitive photonic sensor based on a porous silicon ring resonator was developed and experimentally characterized. The photonic sensing structure was fabricated by exploiting a porous silicon double layer, ...
High performace silicon 2x2 optical switch based on a thermo-optically tunable multimode interference coupler and efficient electrodes

Rosa Escutia, Álvaro; Gutiérrez Campo, Ana María; Brimont, Antoine Christian Jacques; Griol Barres, Amadeu; Sanchis Kilders, Pablo (Optical Society of America, 2016)

Optical switches based on tunable multimode interference (MMI) couplers can simultaneously reduce the footprint and increase the tolerance against fabrication deviations. Here, a compact 2x2 silicon switch based on a ...
High sensitivity and label-free oligonucleotides detection using photonic bandgap sensing structures biofunctionalized with molecular beacon probes

Ruiz-Tórtola, Ángela; Prats-Quílez, Francisco; Gonzalez-Lucas, Daniel; Bañuls Polo, María-José; Maquieira Catala, Ángel; Wheeler, Guy; Dalmay, Tamas; Griol Barres, Amadeu; Hurtado Montañés, Juan; García-Rupérez, Jaime (Optical Society of America, 2018)

[EN] A label-free sensor, based on the combination of silicon photonic bandgap (PBG) structures with immobilized molecular beacon (MB) probes, is experimentally developed. Complementary target oligonucleotides are specifically ...
High signal-to-noise ratio ultra-compact lab-on-a-chip microflow cytometer enabled by silicon optical antennas

Lechago-Buendia, Sergio; García Meca, Carlos; Sánchez Losilla, Nuria; Griol Barres, Amadeu; Martí Sendra, Javier (The Optical Society, 2018)

[EN] We experimentally demonstrate an all-silicon nanoantenna-based micro-optofluidic cytometer showing a combination of high signal-to-noise ratio (SNR) > 14 dB and ultra-compact size. Thanks to the ultra-high directivity ...