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Listar por palabra clave "Silicon"

Mostrando ítems 1-20 de 38

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10 Gbit/s Error-Free Silicon Optical Modulator for Both TE and TM Polarized Light

Rasigade, G.; Ziebell, M.; Marris-Morini, D.; Brimont, Antoine Christian Jacques; Gutiérrez Campo, Ana María; Sanchis Kilders, Pablo; Fédéli, Jean Marc; Duan, Guanghua; Cassan, E.; Vivien, L. (Institute of Electrical and Electronics Engineers (IEEE), 2011-12-01)

[EN] We report the first experimental demonstration of a silicon optical modulator based on a pipin diode integrated in a 50-mu m radius ring resonator. Large modulation efficiency was obtained with a V pi L pi product of ...
Análisis de conmutación fotónica mediante tecnología de Si/GST

Santomé Valverde, Alejandro (Universitat Politècnica de València, 2021-10-11)

[ES] El objetivo del trabajo fin de máster es caracterizar experimentalmente y analizar las prestaciones de conmutación fotónica que es posible alcanzar mediante estructuras guiadas basadas en la combinación de silicio y ...
Avoiding metallic walls: Use of modal superposition in plasmonic waveguides to reduce propagation loss

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. ...
Can silicon enhance the ability of wheat (Triticum aestivum L.) leaves to retain water under drought conditions?

Pérez Rodríguez, Manuela (Universitat Politècnica de València, 2024-09-27)

[ES] El silicio (Si) es el segundo elemento más abundante en la Tierra, y a pesar de no considerarse un nutriente mineral esencial, numerosas referencias bibliográficas proporcionan evidencias que respaldan sus efectos ...
Characterizing and modeling backscattering in silicon microring resonators

Ballesteros García, Guillem; Matres Abril, Joaquín; Martí Sendra, Javier; Oton Nieto, Claudio José (Optical Society of America, 2011)

We present an experimental technique to characterize back-scattering in silicon microring resonators, together with a simple analytical model that reproduces the experimental results. The model can extract all the key ...
Comparative Analysis of Data Acquisition Setups for Fast Timing in ToF-PET Applications

Latella, Riccardo; Gonzalez, Antonio J.; Benlloch Baviera, Jose María; Lecoq, Paul; Konstantinou, Georgios (Institute of Electrical and Electronics Engineers, 2024-09)

[EN] The signal-to-noise ratio in positron emission tomography (PET) improves with precise timing resolution. PET systems enabling the capability of time-of-flight (ToF) are nowadays available. This study assesses various ...
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 ...
Demostración de dispositivos fotónicos basados en silicio/GST con respuesta no-volátil

Urgelles Pérez, Helen (Universitat Politècnica de València, 2021-04-14)

[ES] El objetivo del trabajo fin de máster es analizar y demostrar experimentalmente nuevos dispositivos híbridos basados en la combinación de silicio y GST (germanio-antimonio-telurio o GeSbTe) para aplicaciones que ...
Desarrollo de biosensores nanofotónicos de alta sensibilidad para la detección de biomarcadores microRNA en aplicaciones de diagnóstico médico

Ruiz Tórtola, Ángela (Universitat Politècnica de València, 2021-09-02)

[ES] El interés en desarrollar biosensores de alta sensibilidad para identificar y cuantificar una amplia gama de moléculas ha aumentado notablemente durante las últimas décadas en numerosos campos de aplicación. Entre ...
Desarrollo de procesos de micro-fabricación en Sílice y Nitruro de Silicio

Alemany Server, Rubén (Universitat Politècnica de València, 2019-07-25)

En esta tesina fin de máster, se desarrollar procesos para oxidación de obleas de silicio y litografía y ataque de capas de nitruro de silicio. El estudiante realizará estos desarrollos dentro la instalación UPVfab sita ...
Designing III V multijunction solar cells on silicon

Connolly, James Patrick; Mencaraglia, Denis; Renard, Charles; Bouchier, Daniel (Wiley, 2014-07)

[EN] Single junction Si solar cells dominate photovoltaics but are close to their efficiency limits. This paper presents ideal limiting efficiencies for tandem and triple junction multijunction solar cells featuring a Si ...
Determination of synergistic effect between roughness and surface chemistry on cell adhesion of a multilayer Si- Hydroxyapatite coating on Ti6Al4V obtained by magnetron sputtering

Pérez Zapata, K.; Lenis, J.A.; Rico Tortosa, Patricia María; Gómez Ribelles, José Luís; Bolívar, F.J. (Elsevier, 2022-10-31)

[EN] Ti alloys are widely used in the biomedical field because they have an adequate balance between mechanical properties, corrosion resistance and biocompatibility. However, when this material is incorporated in the human ...
Development of oligonucleotide microarrays onto si-based surfaces via thioether linkage mediated by UV irradiation

Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; Puchades Pla, Rosa; Maquieira Catala, Ángel (American Chemical Society, 2012)

Selective covalent immobilization of thiolated oligonucleotides onto an epoxy-functionalized silicon-substrate can be achieved via light radiation (365 nm). Following this approach, thiol-modified oligonucleotide probes ...
Direct and label-free monitoring oligonucleotide immobilization, non-specific binding and DNA biorecognition

López Paz, José Luis; González Martínez, Miguel Ángel; Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; Puchades Pla, Rosa; Maquieira Catala, Ángel (Elsevier, 2014-03-01)

DNA binding chemistry on silicon surface has been investigated. Aminated oligonucleotide probes were immobilized on the chip surface by chemical silanization and further covalent attachment. The chemistries employed were ...
DNA microarrays on silicon surfaces through thiol-ene chemistry

Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; Puchades Pla, Rosa; Maquieira Catala, Ángel (Royal Society of Chemistry, 2012)

The potential of thiol-ene chemistry as a selective strategy to functionalize silicon materials for DNA microarraying is demonstrated and applied to discriminate genetic variations. © 2012 The Royal Society of Chemistry.
Effect of the Front and Back Illumination on Sub-Terahertz Detection Using n-Channel Strained-Silicon MODFETs

Delgado-Notario, Juan A.; Calvo-Gallego, Jaime; Velázquez-Pérez, Jesús E.; Ferrando Bataller, Miguel; Fobelets, Kristel; Meziani, Yahya M. (MDPI AG, 2020-09)

[EN] Plasma waves in semiconductor gated 2-D systems can be used to efficiently detect Terahertz (THz) electromagnetic radiation. This work reports on the response of a strained-Si Modulation-doped Field-Effect Transistor ...
Electro-refraction modulation predictions for silicon graphene waveguides in the 1540-1560 nm region

Pérez-López, Daniel; Doménech Gómez, José David; Muñoz Muñoz, Pascual; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2016-10)

We derive analytical approximations for the variation of the effective indices of the fundamental transverse electric (TE) and transverse magnetic (TM) modes with the chemical potential of graphene in three common types ...
Experimental demonstration of a tunable transverse electric pass polarizer based on hybrid VO2/silicon technology

Sánchez Diana, Luis David; Olivares-Sánchez-Mellado, Irene; Parra Gómez, Jorge; Menghini, Mariela; Homm, Pia; Locquet, Jean-Pierre; Sanchis Kilders, Pablo (The Optical Society, 2018-08-01)

[EN] A tunable transverse electric (TE) pass polarizer is demonstrated based on hybrid vanadium dioxide/silicon (VO2/Si) technology. The 20-mu m-long TE pass polarizer exploits the phase transition of the active VO2 material ...
High-speed living polymerization of polar vinyl monomers by self-healing silylium catalysts

Zhang, Yuetao; Lay, Frank; García García, Pilar; List, Benjamin; Chen, Eugene Y. -X. (Wiley, 2010)

[EN] This contribution describes the development and demonstration of the ambient-temperature, high-speed living polymerization of polar vinyl monomers (M) with a low silylium catalyst loading (<= 0.05 mol (X) relative to ...
Identifying the main sources of Silicate in coastal waters of the southern Gulf of Valencia (Western Mediterranean Sea)

Sospedra, J.; Niencheski, L. Felipe H.; Falco, S.; Andrade, C.F.F.; Attisano, K.K.; Rodilla, M (Elsevier, 2018)

[EN] Silicon is a major nutrient for siliceous primary producers, which can become a potential limiting nutrient in oligotrophic areas. Most of the silicon inputs to the marine environment come from continental discharges, ...