Listar por autor "Luque-González, José Manuel"
Mostrando ítems 1-20 de 32
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A broadband polarization splitter directional coupler based on tilted subwavelengh grating metamaterials
Luque-González, José Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro
; Sánchez-Rodriguez, Marina; Velasco, Aitor V.; Schmid, Jens H.; Cheben, Pavel; Molina-Fernandez, Iñigo; Halir, Robert[et al.] (2020-12-03)
Tilted subwavelength gratings (SWG) allows anisotropy tailorable metamaterials with applications in polarization management. Based on this concept, here we experimentally demonstrate a broadband directional-couplerbased ... -
Breakthrough silicon photonics devices using subwavelength grating metamaterials
(UMA Editorial, 2022)Esta Tesis está dedicada al estudio de las estructuras de rejilla de sublongitud de onda (SWG, por sus siglas en inglés): metamateriales ópticos extremadamente versátiles que se han convertido en una herramienta fundamental ... -
Bricked and evanescently-coupled topologies: expanding the portfolio of subwavelength metamaterial silicon photonic devices
Wanguemert-Perez, Juan Gonzalo; Pérez-Armenta, Carlos; Ginel-Moreno, Pablo; Luque-González, José Manuel; Hadij-El-Houati, Abdelfettah; Sanchez-Postigo, Alejandro; De-Oliva-Rubio, Jose; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Cheben, Pavel; Molina-Fernandez, Iñigo[et al.] (SPIE, 2023-02)
We present two novel topologies of subwavelength grating (SWG) waveguides: the bricked-SWG and the evanescently-coupled-SWG. The bricked topology enables accurate control of waveguide anisotropy while maintaining the index ... -
Bricked subwavelength structures: a flexible metamaterial topology
Luque-González, José Manuel; Ortega-Moñux, Alejandro; Halir, Robert; Molina-Fernandez, Iñigo; Wanguemert-Perez, Juan Gonzalo; Cheben, Pavel; Schmid, Jens H.[et al.] (2021)
Subwavelength gratings (SWG) are periodic structures that synthesize lithography tailorable metamaterials with desired permittivity, dispersion, and anisotropy, enabling the design of a myriad of high-performance devices. ... -
Customized spectral filters using cladding-modulated Bragg gratings in silicon waveguides.
Pereira-Martín, Daniel; Ortega-Moñux, Alejandro; Luque-González, José Manuel; Hadij-El-Houati, Abdelfettah; Sanchez-Postigo, Alejandro; Molina-Fernandez, Iñigo; Cheben, Pavel; Schmid, Jens H.; Shurui, Wang; Ye, Winnie N.; Ctyroky, Jiri; Wanguemert-Perez, Juan Gonzalo[et al.] (European Optical Society Annual Meeting (EOSAM) 2021., 2021-09-13)
Waveguide Bragg gratings are expected to play an important role in diverse applications of photonic integrated circuits. Here, we present our latest progress in implementing Bragg filters with a customized spectral response ... -
Design of arbitrary optical filters in silicon-on-insulator using evanescently-coupled Bragg gratings
Pereira-Martín, Daniel; Ortega-Moñux, Alejandro; Molina-Fernandez, Iñigo; Luque-González, José Manuel; Cheben, Pavel; Schmid, Jens H.; Ye, Winnie N.; Ctyroky, Jiri; Wanguemert-Perez, Juan Gonzalo[et al.] (2019-07-10)
Spectral filters are experiencing an increasing demand in several applications of the silicon- on-insulator (SOI) platform. Many works have demonstrated that arbitrary frequency responses can be synthesized by apodizing ... -
Design of subwavelength grating metamaterial waveguides for communications and sensing applications
Ortega-Moñux, Alejandro; Luque-González, José Manuel; Pereira Martín, Daniel; Sanchez-Postigo, Alejandro; Hadij-El-Houati, Abdelfettah; Leuermann, Jonas; De-Oliva-Rubio, Jose; Halir, Robert; Wanguemert-Perez, Juan Gonzalo; Molina-Fernandez, Iñigo; Ctyroky, Jiri; Schmid, Jens H.; Cheben, Pavel[et al.] (2019-07-04)
In this work we will cover some of our recent advances in the design of state-of-the-art silicon photonic devices based on all-dielectric subwavelength grating (SWG) metamaterials. Specifically, we will focus on the design ... -
Designing anisotropy with waveguide subwavelength structures
Herrero-Bermello, Alaine; Velasco, Aitor V.; Schmid, Jens H.; Cheben, Pavel; Halir, Robert; Luque-González, José Manuel; Ortega-Moñux, Alejandro; Wanguemert-Perez, Juan Gonzalo; Molina-Fernandez, Iñigo[et al.] (2018-07-12)
Silicon sub-wavelength structures have become a versatile design tool for practical, high-performance integrated optical devices, ranging from highly efficient grating couplers to ultra-broadband beam-splitters. Recently, ... -
Designing polarization management devices by tilting subwavelength grating structures
Luque-González, José Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro; Molina-Fernandez, Iñigo; Velasco, Aitor V.; Cheben, Pavel; Schmid, Jens H.; Wang, Shurui; Halir, Robert[et al.] (2019-05-03)
Subwavelength gratings (SWG) are periodic structures which behave as controllable homogeneous metamaterials. SWGs are extremely interesting when they are used in platforms with a limited choice of material refractive indices, ... -
Diseño de grating couplers de orden cero de banda ancha y alta eficiencia para el infrarrojo medio
Sanchez-Postigo, Alejandro; Wanguemert-Perez, Juan Gonzalo; Luque-González, José Manuel; Molina-Fernandez, Iñigo; Cheben, Pavel; Halir, Robert; Schmid, Jens H.; Ortega-Moñux, Alejandro[et al.] (2017-09-27)
The mode fields of optical fibers and high-index contrast photonic waveguides have different dimensions, making difficult the coupling of light from one to the other. To solve this problem, surface grating couplers are one ... -
Dispositivos de interferencia multimodal 2×2 de banda ultraancha basados en estructuras periódicas sub-longitud de onda para las bandas O-E-S-C
Pérez-Armenta, Carlos; Ortega-Moñux, Alejandro; Luque-González, José Manuel; Halir, Robert; Schmid, Jens H.; Cheben, Pavel; Molina-Fernandez, Iñigo; Wanguemert-Perez, Juan Gonzalo[et al.] (2021)
Los dispositivos de interferencia multimodal (MMI) son un bloque funcional fundamental en óptica integrada. La creciente demanda de capacidad en los enlaces de comunicaciones ópticas motiva la búsqueda de nuevas formas de ... -
Engineering sub-wavelength silicon waveguides for sensing applications in the near-infrared and mid-infrared band
Wanguemert-Perez, Juan Gonzalo; Sanchez-Postigo, Alejandro; Hadij-El-Houati, Abdelfettah; Leuermann, Jonas; Pérez-Armenta, Carlos; Luque-González, José Manuel; Ortega-Moñux, Alejandro; Halir, Robert; Molina-Fernandez, Iñigo; Cheben, Pavel; Xu, Dan-Xia; Schmid, Jens H.; Ctyroky, Jiri; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.[et al.] (2019-02-08)
Silicon photonics is one of the most promising candidates to achieve lab-on-a-chip systems. Making use of the evanescent-field sensing principle, it is possible to determine the presence and concentration of substances by ... -
Enhanced sensitivity subwavelength grating waveguides for silicon photonics sensing applications
Wanguemert-Perez, Juan Gonzalo; Hadij-El-Houati, Abdelfettah; Sanchez-Postigo, Alejandro; Leuermann, Jonas; Pereira-Martín, Daniel; Luque-González, José Manuel; Cheben, Pavel; Xu, Dan-Xia; Schmid, Jens H.; Ctyroky, Jiri; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; Ortega-Moñux, Alejandro; Halir, Robert; Molina-Fernandez, Iñigo[et al.] (2019-07-16)
In this work we will review the enormous potential of subwavelength grating waveguides for sensing applications in the near and mid-infrared bands, demonstrating the capability to engineer the mode profile to maximize the ... -
Estructuras sub-longutud de onda para el diseño de dispositivos en guía dieléctrica
Ortega-Moñux, Alejandro; Wanguemert-Perez, Juan Gonzalo; Halir, Robert; Cheben, Pavel; Godoy-Rubio, Rafael; De-Oliva-Rubio, Jose; Sanchez-Postigo, Alejandro; Luque-González, José Manuel; Sarmiento-Merenguel, José-Darío; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran; Molina-Fernandez, Iñigo[et al.] (Juan Córcoles Ortega et al., 2016)
Sub-wavelength structures are enabling the design of devices based in dielectric waveguides with unprecedented performance in both the near-infrared and mid-infrared wavelength regions. These devices include fiber-to-chip ... -
High performance and small footprint spot size converters based on SWG metamaterial lenses
Luque-González, José Manuel; Molina-Fernandez, Iñigo; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Cheben, Pavel[et al.] (2018-06-28)
Spot size converters with high expansion ratio are required in a variety of situations. This is the case of non-focusing Silicon on Insulator (SOI) fiber-to-chip grating couplers, which typically require long adiabatic ... -
High performance silicon photonic devices based on practical metamaterials
Halir, Robert; Luque-González, José Manuel; Sanchez-Postigo, Alejandro; Herrero-Bermello, Alaine; González-Andrade, David; Hadij-El-Houati, Abdelfettah; Leuermann, Jonas; Pereira-Martín, Daniel; Ortega-Moñux, Alejandro; Ctyroky, Jiri; Wanguemert-Perez, Juan Gonzalo; Aitor, Velasco; Sánchez-Rodriguez, Marina; De-Oliva-Rubio, Jose; Schmid, Jens H.; Soler-Penades, Jordi; Milos, Nedeljkovic; Mashanovich, Goran; Cheben, Pavel; Molina-Fernandez, Iñigo[et al.] (2019-07-15)
Subwavelength grating metamaterials are enabling a new generation of high-performance silicon photonic devices. Here we discuss the fundamental physics along with some of the latest advances in this rapidly expanding field. -
Polarization independent 2×2 multimode interference coupler with bricked subwavelength metamaterial
Pérez-Armenta, Carlos; Ortega-Moñux, Alejandro; Luque-González, José Manuel; Robert, Halir; Reyes Iglesias, Pedro José; Schmid, Jens H.; Cheben, Pavel; Molina-Fernandez, Iñigo; Wanguemert-Perez, Juan Gonzalo[et al.] (2022)
The silicon-on-insulator (SOI) platform enables high integration density in photonic integrated circuits while maintaining compatibility with CMOS fabrication processes. Nevertheless, its inherently high modal birefringence ... -
Polarization insensitive metamaterial engineered multimode interference coupler in a 220 nm silicon-on-insulator platform
Pérez-Armenta, Carlos; Ortega-Moñux, Alejandro; Luque-González, José Manuel; Halir, Robert; Schmid, Jens; Cheben, Pavel; Molina-Fernandez, Iñigo; Wanguemert-Perez, Juan Gonzalo[et al.] (Elsevier, 2023)
High-index contrast silicon waveguides exhibit strong birefringence that hinders the development of polarization-insensitive devices, especially for sub-micrometer silicon layer thickness. Here a polarizationindependent 2 ... -
Polarization-insensitive multimode interference coupler based on bricked subwavelength gratings
Pérez-Armenta, Carlos; Ortega-Moñux, Alejandro; Luque-González, José Manuel; Halir, Robert; Reyes Iglesias, Pedro José; Schmid, Jens H.; Cheben, Pavel; Molina-Fernandez, Iñigo; Wanguemert-Perez, Juan Gonzalo[et al.] (2022)
The recently proposed bricked patterning enables enhanced performance in integrated photonics devices based on subwavelength gratings, including polarization insensitivity. We report on the design of a polarization-agnostic ... -
Recent progress in subwavelength grating metamaterial engineered silicon photonic devices.
Wanguemert-Perez, J. Gonzalo; Pérez-Armenta, Carlos; Ginel-Moreno, Pablo; Luque-González, José Manuel; Hadij-El-Houati, Abdelfettah; Sanchez-Postigo, Alejandro; De-Oliva-Rubio, Jose; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Cheben, Pavel; Molina-Fernandez, Iñigo[et al.] (2023)
In this talk we present our recent advances in SWG metamaterial engineering. We will show a 1D-optical phased array composed of 112 evanescent-coupled surface emitting antennas with a length of 1.5 mm and fed by a compact ...