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Listar por palabra clave "Integrated optics devices"

Mostrando ítems 1-19 de 19

Broadband 8 micrometers long hybrid silicon-plasmonic transverse magnetic-transverse electric converter with losses below 2 dB

Sánchez Diana, Luis David; Sanchis Kilders, Pablo (Optical Society of America, 2013-08-01)

A novel ultracompact (8 mu m length) hybrid silicon-plasmonic TM-TE converter is reported. The conversion is achieved during a partial power coupling between a waveguide and a hybrid plasmonic parallel waveguide. The impact ...
Broadband microwave photonic fully tunable filter using a single heterogeneously integrated III-V/SOI-microdisk-based phase shifter

Lloret Soler, Juan Antonio; Morthier, Geert; Ramos Pascual, Francisco; Sales Maicas, Salvador; Van Thourhout, D.; Spuesens, T.; Olivier, N.; Fedeli, J.M.; Capmany Francoy, José (Optical Society of America, 2012)

A broadband microwave photonic phase shifter based on a single III-V microdisk resonator heterogeneously integrated on and coupled to a nanophotonic silicon-on-insulator waveguide is reported. The phase shift tunability ...
Compact focusing grating couplers for silicon horizontal slot waveguides

Larrea-Luzuriaga, Roberto Alejandro; Gutiérrez Campo, Ana María; Hurtado Montañés, Juan; Ramirez, J. M.; Garrido, B.; Sanchis Kilders, Pablo (Optical Society of America, 2017-02-01)

In this Letter, we present the design, simulation (2D and 3D), fabrication, and experimental characterization of compact and fully etched focusing gratings for a horizontal slot waveguide based on a silicon nitride layer ...
Development of new photonic devices based on barium titanate in silicon

Castera Molada, Pau (Universitat Politècnica de València, 2017-09-01)

Integration of complex optical functionalities with high performance will lead to a huge development in the field of nanophotonics for a broad range of applications. Silicon photonics is currently the leading technology ...
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 ...
Full field model for interleave-chirped arrayed waveguide gratings

Gargallo Jaquotot, Bernardo Andrés; Muñoz Muñoz, Pascual (Optical Society of America: Open Access Journals, 2013-03-25)

In this paper, a theoretical model for an Interleave-Chirped Arrayed Waveguide Grating (IC-AWG) is presented. The model describes the operation of the device by means of a field (amplitude and phase) transfer response. The ...
High performance photonic devices for switching applications in silicon photonics

Sánchez Diana, Luis David (Universitat Politècnica de València, 2017-01-23)

El silicio es la plataforma más prometedora para la integración fotónica, asegurando la compatibilidad con los procesos de fabricación CMOS y la producción en masa de dispositivos a bajo coste. Durante las últimas décadas, ...
Photonics-based microwave frequency measurement using a double-sideband suppressed-carrier modulation and an InP integrated ring-assisted Mach Zehnder interferometer filter

Sánchez Fandiño, Javier Antonio; Muñoz Muñoz, Pascual (Optical Society of America, 2013-11-01)

[EN] A photonic system capable of estimating the unknown frequency of a CW microwave tone is presented. The core of the system is a complementary optical filter monolithically integrated in InP, consisting of a ring-assisted ...
Quantum model of light transmission in array waveguide gratings

Capmany Francoy, José; Mora Almerich, José; Fernández-Pousa, Carlos R.; Muñoz Muñoz, Pascual (Optical Society of America: Open Access Journals, 2013-06-17)

We develop, to the best of our knowledge, the first model for an array waveguide grating (AWG) device subject to quantum inputs and analyze its basic transformation functionalities for single-photon states. A commercial, ...
Reflective arrayed waveguide gratings based on Sagnac loop reflectors with custom spectral response

Gargallo Jaquotot, Bernardo Andrés; Muñoz Muñoz, Pascual; Baños López, Rocío; Giesecke, Anna Lena; Bolten, Jens; Wahlbrink, Thorsten; Kleinjans, Herbert (Optical Society of America: Open Access Journals, 2014-06-16)

In this paper, a model for the analysis and design of a reflective Arrayed Waveguide Grating is presented. The device consists of one half of a regular AWG where each arm waveguide in the array is terminated with a phase ...
Silicon graphene waveguide tunable broadband microwave photonics phase shifter

Capmany Francoy, José; Doménech Gómez, José David; Muñoz Muñoz, Pascual (Optical Society of America: Open Access Journals, 2014-04-07)

We propose the use of silicon graphene waveguides to implement a tunable broadband microwave photonics phase shifter based on integrated ring cavities. Numerical computation results show the feasibility for broadband ...
Silicon Photonics Rectangular Universal Interferometer

Pérez-López, Daniel; Gasulla Mestre, Ivana; Fraile, Francisco Javier; Crudgington, Lee; Thomson, David; Khokhar, Ali Z.; Li, Ke; Cao, Wei; Mashanovich, Goran Z.; Capmany Francoy, José (John Wiley & Sons, 2017-11)

[EN] Universal multiport photonic interferometers that can implement any arbitrary unitary transformation between input and output optical modes are essential to support advanced optical functions. Integrated versions of ...
Silicon slow-light-based photonic mixer for microwave-frequencyconversion applications

Gutiérrez Campo, Ana María; Brimont, Antoine Christian Jacques; Herrera Llorente, Javier; Aamer, Mariam; Martí Sendra, Javier; Thomson, D. J.; Gardes, F. Y.; Reed, G. T.; Fedeli, J. M.; Sanchis Kilders, Pablo (Optical Society of America, 2012)

[EN] We describe and demonstrate experimentally a method for photonic mixing of microwave signals by using a silicon electro-optical Mach¿Zehnder modulator enhanced via slow-light propagation. Slow light with a group index ...
Simulation and design of arrayed waveguide gratings for InP membranes using an efficient numerical method and improved shallow to deep transitions

Gargallo-Jaquotot, Bernardo; Jiao, Y.; Munoz, P.; van der Tol, J.; Leijtens, X. (Springer Verlag (Germany), 2016-07)

[EN] We analyze the arrayed waveguide grating response on indium phosphide (InP) membranes on silicon (IMOS) technology. The model is based on an analytical approach (Kleijn et al. in Nat Photon 1:303-305, 2013) that ...
Simultaneous existence of phononic and photonic band gaps in periodic crystal slabs

Pennec, Y.; Rouhani, B. Djafari; El Boudouti. E. H.; Li, C.; El Hassouani, Y.; Vasseur, J. O.; Papanikolaou, Nikos; Benchabane, Samir; Laude, Vincent; Martínez Abietar, Alejandro José (Optical Society of America: Open Access Journals, 2010-06-21)

[EN] We discuss the simultaneous existence of phononic and photonic band gaps in a periodic array of holes drilled in a Si membrane. We investigate in detail both the centered square lattice and the boron nitride (BN) ...
Synchronized photonic modulators driven by surface acoustic waves

Crespo-Poveda, Antonio; Hey, R.; Biermann, K.; Tahraoui, A.; Santos, P. V.; Gargallo Jaquotot, Bernardo Andrés; Muñoz Muñoz, Pascual; Cantarero, A.; Lima, M. M. de, Jr. (Optical Society of America: Open Access Journals, 2013-09-09)

Photonic modulators are one of the most important elements of integrated photonics. We have designed, fabricated, and characterized a tunable photonic modulator consisting of two 180 degrees-dephased output waveguide ...
Tailoring the dispersion behavior of silicon nanophotonic slot waveguides

Mas Gómez, Sara María; Caraquitena Sales, José; Galán Conejos, José Vicente; Sanchis Kilders, Pablo; Martí Sendra, Javier (Optical Society of America: Open Access Journals, 2010-09-27)

We investigate the chromatic dispersion properties of silicon channel slot waveguides in a broad spectral region centered at similar to 1.5 mu m. The variation of the dispersion profile as a function of the slot fill factor, ...
Tunable complex-valued multi-tap microwave photonic filter based on single silicon-on-insulator microring resonator

Lloret Soler, Juan Antonio; Sancho Durá, Juan; Pu, M.; Gasulla Mestre, Ivana; Yvind, K.; Sales Maicas, Salvador; Capmany Francoy, José (Optical Society of America, 2011)

A complex-valued multi-tap tunable microwave photonic filter based on single silicon-on-insulator microring resonator is presented. The degree of tunability of the approach involving two, three and four taps is theoretical ...
Ultra-compact TE and TM pass polarizers based on vanadium dioxide on silicon

Sánchez Diana, Luis David; Lechago Buendía, Sergio; Sanchis Kilders, Pablo (Optical Society of America, 2015-04-01)

[EN] Vanadium dioxide (VO2) is a metal-insulator transition (MIT) oxide recently used in plasmonics, metamaterials, and reconfigurable photonics. Because of the MIT, VO2 shows great change in its refractive index allowing ...