Listar por autor "Wanguemert-Pérez, Juan Gonzalo"
Mostrando ítems 1-20 de 76
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A review of silicon subwavelength gratings: building break-through devices with anisotropic metamaterials
Luque-González, José Manuel; Sánchez-Postigo, Alejandro; Hadij-El-Houati, Abdelfettah; Ortega-Moñux, Alejandro
; Wanguemert-Pérez, Juan Gonzalo; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo; Halir, Robert[et al.] (De Gruyter, 2021)
Silicon photonics is playing a key role in areas as diverse as high-speed optical communications, neural networks, supercomputing, quantum photonics, and sensing, which demand the development of highly efficient and compact ... -
A systemic model for lossy mode resonances (LMRs)
Imas-González, José Javier; Villar-Fernández, Ignacio del; Wanguemert-Pérez, Juan Gonzalo; Matías-Maestro, Ignacio Raúl; Molina-Fernández, Íñigo (Elsevier, 2024)
Lossy mode resonances (LMRs) have been widely employed for the development of sensors in the last years. However, the theoretical frameworks for LMRs are scarce and difficult to systematize, hampering the development of ... -
Add/Drop Mode-Division Multiplexer Based on a Mach–Zehnder Interferometer and Periodic Waveguides.
Pérez-Galacho, Diego; Marris-Morini, Delphine; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Vivien, Laurent (IEEE, 2015)
Mode-division multiplexing (MDM) is currently under study due to its potential to further increase data rates in optical communication circuits. In this paper, we propose an add/drop MDM for the first- and second-order ... -
Advances in photonic metamaterials and sensing architectures
Halir, Robert; Torres-Cubillo, Antonia; Barona-Ruiz, Miguel; Sánchez-Ramírez, Ana; Luque-González, José Manuel; Moreno-Pozas, Laureano; Pérez-Armenta, Carlos; Ginel-Moreno, Pablo; Fernández-Hinestrosa, Alejandro; Leuermann, Jonas; De-Oliva-Rubio, José; Schmid, Jens H.; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (2024)
Subwavelength materials have become a fundamental tool for silicon photonic design, enabling devices with unique performance characteristics. We will briefly review some fundamentals here and will then discuss some of the ... -
An ultracompact GRIN lens based spot size converter using subwavelength grating metamaterials
Luque-González, José Manuel; Halir, Robert; Wanguemert-Pérez, Juan Gonzalo; De-Oliva-Rubio, José; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo; Ortega Moñux, Alejandro[et al.] (Wiely, 2019)
Graded-index materials offer virtually complete control over light propagation in integrated photonic chips but can be challenging to implement. Here, an anisotropic graded-index metamaterial, synthesized with fully etched ... -
Automatic design of high-performance fiber-chip surface grating couplers based on Floquet-Bloch mode analysis
Sánchez-Postigo, Alejandro; Xu, Dan-Xia; Hadij-El-Houati, Abdelfettah; Molina-Fernández, Íñigo; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Halir, Robert; Cheben, Pavel; Pereira-Martín, Daniel[et al.] (2018-04-30)
We propose a new strategy to automatically design highly efficient fiber-chip surface grating couplers. High performance designs are achieved with a substantially reduced computational cost by combining Floquet-Bloch mode ... -
Biosensor fotónico integrado con capacidad de discriminación por capas.
Sánchez-Ramírez, Ana; Wanguemert-Pérez, Juan Gonzalo; De-Oliva-Rubio, José; Luque-González, José Manuel; Godoy-Rubio, Rafael; Ortega-Moñux, Alejandro; Halir, Robert; Leuermann, Jonas; Molina-Fernández, Íñigo[et al.] (XXXVIII Simposio Nacional de la Unión Científica Internacional de Radio, 2023)
Photonic integrated biosensors have emerged as a highly attractive alternative for biomarker detection in applications ranging from clinical diagnosis to food quality monitoring. Detecting specific target and differentiating ... -
Breaking the Coupling Efficiency–Bandwidth Trade-Off in Surface Grating Couplers Using Zero-Order Radiation
Sánchez-Postigo, Alejandro; Halir, Robert; Wanguemert-Pérez, Juan Gonzalo; Ortega-Moñux, Alejandro; Wang, Shurui; Vachon, Martin; Schmid, Jens H.; Xu, Dan-Xia; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (Wiley, 2021-05-05)
Silicon photonics provides wafer-scale fabrication of densely integrated photonic circuits that are enabling breakthrough applications in datacom, artificial intelligence, and healthcare. The sub-micrometer mode size of ... -
Bricked and evanescently-coupled topologies: expanding the portfolio of subwavelength metamaterial silicon photonic devices
Wanguemert-Pérez, Juan Gonzalo; Pérez-Armenta, Carlos; Ginel-Moreno, Pablo; Luque-González, José Manuel; Hadij-El-Houati, Abdelfettah; Sánchez-Postigo, Alejandro; De-Oliva-Rubio, José; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo[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 subwavelengh gratings: A tailorable biaxial on-chip metamaterial topology
Luque-González, José Manuel; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo; Wanguemert-Pérez, Juan Gonzalo[et al.] (Wiley, 2021)
Integrated metamaterials are redefining the capabilities of silicon photonic chips. In providing lithographic control over dielectric permittivity, dispersion and anisotropy, they are enabling photonic devices with ... -
Bricked subwavelength structures: a flexible metamaterial topology
Luque-González, José Manuel; Ortega-Moñux, Alejandro; Halir, Robert; Molina-Fernández, Íñigo; Wanguemert-Pérez, 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. ... -
Broadband 2 × 2 multimode interference coupler for mid-infrared wavelengths
Stirling, Callum J.; Halir, Robert; Sánchez-Postigo, Alejandro; Qu, Zhibo; Reynolds, Jamie D.; Soler Penadés, Jordi; Murugan, Ganapathy Senthil; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Molina-Fernández, Íñigo; Mashanovich, Goran Z.; Nedeljkovic, Milos[et al.] (Optical Publishing Group, 2021-10-19)
Beam splitters are core components of photonic integrated circuits and are often implemented with multimode interference couplers. While these devices offer high performance, their operational bandwidth is still restrictive ... -
Broadband fiber-chip zero-order surface grating coupler with 0.4 dB efficiency.
Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Luque-González, José Manuel; Molina-Fernández, Íñigo; Cheben, Pavel; Alonso-Ramos, Carlos A.; Halir, Robert; Schmid, Jens H.; Ortega-Moñux, Alejandro[et al.] (Optica Publishing Group, 2016-06-24)
Surface grating couplers enable efficient coupling of light between optical fibers and nanophotonic waveguides. However, in conventional grating couplers, the radiation angle is intrinsically wavelength dependent, thereby ... -
Building high-performance integrated optical devices using subwavelength grating metamaterials
Sánchez-Postigo, Alejandro; Ginel-Moreno, Pablo; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Halir, Robert; Pereira-Martín, Daniel; Hadij-El-Houati, Abdelfettah; Schmid, Jens H.; Wang, Shurui; Vachon, Martin; Xu, Dan-Xia; Ye, Winnie N.; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (2021-09)
The use of subwavelength grating structures in silicon waveguides have fuelled the development of integrated optical components with superior performance. By a judicious lithographic pattern of the grating, the optical ... -
Colorless devices and reception techniques for polarization multiplexed communications
Halir, Robert; Reyes-Iglesias, Pedro José; Alonso-Ramos, C.; Sarmiento-Merenguel, Jose Darío; Wanguemert-Pérez, Juan Gonzalo; Cheben, Pavel; Molina-Fernández, Íñigo; Ortega-Moñux, Alejandro; Halir, Robert[et al.] (2015-06-29)
Future optical networks call for flexible, high performance and low cost coherent optical receivers. We present here several advances towards such receivers, including integrated optical couplers with ultra-broad bandwidth, as ... -
Comparing the fundamental limit of detection for interferometric and resonant biosensors with coherent phase read-out
Leuermann, Jonas; Molina-Fernández, Íñigo; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Halir, Robert (2019-06-27)
We compare the limit of detection of coherently interrograted photonic biosensors, using both interferometric and resonant architectures. -
Curved waveguide grating demultiplexer (CWG) with a flattened response via bimodal output waveguides
Hadij-El-Houati, Abdelfettah; Halir, Robert; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (2022-05-08)
We demonstrate a compact wavelength demultiplexer for the silicon-on-insulator platform based on the curved waveguide grating (CWG) architecture. The proposed device uses bi- modal output waveguides to achieve a low-loss ... -
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; Sánchez-Postigo, Alejandro; Molina-Fernández, Íñigo; Cheben, Pavel; Schmid, Jens H.; Shurui, Wang; Ye, Winnie N.; Ctyroky, Jiri; Wanguemert-Pérez, 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 ... -
Demostración experimental de un acoplador de interferencia multimodal insensible a la polarización basado en un metamaterial sublongitud de onda
Pérez-Armenta, Carlos; Ortega-Moñux, Alejandro; Luque-González, José Manuel; Halir, Robert; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo; Wanguemert-Pérez, Juan Gonzalo[et al.] (2023)
En este trabajo se demuestra experimentalmente un acoplador 3 dB 90o basado en un dispositivo de interferencia multimodal 2×2 independiente a la polarización. El dispositivo se ha desarrollado en una plataforma de silicio ... -
Desarrollo de herramientas numéricas para el análisis y diseño de dispositivos fototónicos
Ortega-Moñux, Alejandro (Universidad de Málaga,Servicio de Publicaciones, 2008)
En esta Tesis, el objetivo fundamental es mejorar las prestaciones de una familia de técnicas numéricas de simulación de dispositivos ópticos que se conoce con el nombre genérico de Métodos Globales o Espectrales. ...