[EN] An aptasensor based on periodic 1D corrugated waveguides is demonstrated to be suitable for the specific and continuous detection of thrombin at nM concentrations in real time with an estimated detection limit of 33.5 pM.
[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 ...
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 ...
[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 ...
[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 ...
[EN] A subwavelength grating sensor based on a bimodal waveguide configuration is
presented for continuous in-flow measurements of refractive index variations. An experimental
bulk sensitivity of 1350nm/RIU and a limit of ...
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 ...
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 ...
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 ...
[EN] Thrombin generation is a complex and finely regulated pathway that provokes dynamical changes of thrombin concentration in blood when a vascular injury occurs. In order to characterize the initiation phase of such ...
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 ...
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 ...
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 ...
[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 ...
[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 ...
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 ...
[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, ...
[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 ...
[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, ...