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Listar IC - Contribuciones a congresos científicos por autor "Molina-Fernández, Íñigo"
Mostrando ítems 41-60 de 68
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Mitigating reflections in integrated gas sensors
Torres-Cubillo, Antonia; Wanguemert-Pérez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Molina-Fernández, Íñigo; Halir, Robert (2022-09-07)Optical gas sensing for environmental monitoring has become an active research topic in the last decade. Among the different optical sensing configurations, silicon photonic integrated sensors stand as a compact, ... -
Modelado de ruido de una cámara para lectura de biosensores fotónicos multiplexados.
Pérez-Sánchez, Laura; Sánchez-Ramírez, Ana; De-Oliva-Rubio, José; Leuermann, Jonas; Halir, Robert; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Molina-Fernández, Íñigo[et al.] (2023)Los biosensores fotónicos basados en arquitecturas interferométricas de Mach-Zehnder con lectura de fase coherente han demostrado ser idóneos para la implementación de dispositivos de diagnóstico compactos, de bajo coste ... -
Molding the flow of light through subwavelength devices
Molina-Fernández, Íñigo (2019-06-18)Patterning of subwavelength scale structures onto dielectrics allows engineering the local refractive index, dispersion and anisotropy of materials, thus opening new design possibilities which give unprecedented control ... -
Polarization independent 2×2 multimode interference coupler with bricked subwavelength metamaterial
Pérez-Armenta, Carlos; Ortega-Moñux, Alejandro; Luque-González, José Manuel; Halir, Robert; Reyes Iglesias, Pedro José; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo; Wanguemert-Pérez, 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 management for coherent optical receivers
Halir, Robert; Ortega-Moñux, Alejandro; Pérez-Galacho, Diego; Alonso-Ramos, C.; Ruiyong, Zhang; Reyes-Iglesias, Pedro José; Romero-García, Sebastián; Godoy-Rubio, Rafael; Wanguemert-Pérez, Juan Gonzalo; Molina-Fernández, Íñigo; Runge, Patrick[et al.] (2014-06-03)The constant growth of bandwidth requirements in optical communication networks has prompted the evolution from conventional on-off-keying (OOK) transmission techniques to coherent, polarization multiplexed schemes. The ... -
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-Fernández, Íñigo; Wanguemert-Pérez, 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 ... -
Re-inventing Multimode Interference Couplers Using Subwavelength Gratings
Ortega-Moñux, Alejandro; Halir, Robert; Maese Novo, Alejandro; Alonso-Ramos, C.; Zavargo-Peche, Luis; Pérez-Galacho, Diego; Molina-Fernández, Íñigo; Wanguemert-Pérez, Juan Gonzalo; Cheben, Pavel; Schmid, Jens H.; Lapointe, J.; Xu, Dan-Xia; Janz, Siegfried[et al.] (European Physical Society, IEEE, The Optical Society, 2013)We use the concept of subwavelength grating (SWG) refractive-index-engineering to propose and experimentally demonstrate a reduced size, slotted 2x2 MMI coupler. We also present an ultra-broadband 2x2 MMI coupler which ... -
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; Sánchez-Postigo, Alejandro; De-Oliva-Rubio, José; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo[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 ... -
Receptor coherente integrado ‘colorless’ de gran margen dinámico basado en un acoplador a 120º
Un receptor ‘colorless’ requerirá en su banda de operación de un elevado rechazo en modo común CMRR para reducir eficientemente la interferencia en banda base ocasionada por los canales colindantes al detectado y conseguir ... -
Robust and tunable integrated polarization rotator
Alonso-Ramos, C.; Halir, Robert; Ortega-Moñux, Alejandro; Cheben, Pavel; Vivien, Laurent; Molina-Fernández, Íñigo; Marris-Morini, Delphine; Janz, Siegfried; Xu, Dan-Xia; Schmid, Jens H.[et al.] (2014-03-11)Integrated polarization rotators suffer from very high sensitivity to fabrication errors. A polarization rotator scheme that substantially increases fabrication tolerances is proposed. In the proposed scheme, two tunable ... -
Separador de polarización integrado de altas prestaciones basado en estructuras sub-longitud de onda
Luque-González, José Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro; Sánchez-Rodriguez, Marina; Velasco, Aitor V.; Schmid, Jens H.; Cheben, Pavel; Molina-Fernández, Íñigo; Halir, Robert[et al.] (2020-12-03)Polarization management is a key factor in photonics integration platforms with high birefringence such as Silicon-On- Insulator. Here we design a directional coupler polarization beam splitter composed of two subwavelength ... -
Silicon high performance devices using subwavelength structures
Halir, Robert; Sánchez-Postigo, Alejandro; Luque-González, José Manuel; Herrero-Bermello, Alaine; Leuermann, Jonas; Ortega-Moñux, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Velasco, Aitor V.; De-Oliva-Rubio, José; Schmid, Jens H.; Cheben, Pavel; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; Molina-Fernández, Íñigo[et al.] (2019-03-13)Silicon photonics is poised to solve challenges in areas such as datacom, environmental monitoring and diagnostics, by leveraging the economies of scale afforded by CMOS manufacturing. This requires a wide variety of ... -
Silicon Photonic Bragg Grating Structures for Spectral Filtering.
Ortega-Moñux, Alejandro; Fernández Hinestrosa, Alejandro; Pérez Armenta, Carlos; Luque González, José Manuel; Sánchez-Postigo, Alejandro; Pereira-Martín, Daniel; Wangüemert-Pérez, J. Gonzalo; Halir, Robert; Hadij-ElHouati, Abdelfettah; Cheben, Pavel; Schmid, Jens H.; Milanizadeh, M.; Wang, Shurui; Mackay, Kevan K.; Ye, Winnie N.; Molina-Fernández, Íñigo[et al.] (2024)Integrated optical filters play a key role in modern optical systems, finding extensive applications in quantum optics, biosensing, programmable photonics, and telecommunications. Among the most commonly used structures ... -
Silicon-on-insulator polarization controller with relaxed fabrication tolerances
Sarmiento-Merenguel, J.D; Alonso-Ramos, C.; Halir, Robert; Vivien, Laurent; Cheben, Pavel; Ortega-Moñux, Alejandro; Molina-Fernández, Íñigo; Leroux, X.; Marris-Morini, Delphine; Xu, Dan-Xia; Schmid, Jens H.; Janz, Siegfried[et al.] (2014-07-31)Polarization control is essential in applications ranging from optical communications to interferometric sensors. The implementation of in- tegrated polarization controllers is challenging as they require polariza- tion ... -
Subwavelength Index Engineering for SOI Waveguides
Halir, Robert; Luque-González, José Manuel; Wang, S.; Sarmiento-Merenguel, Jose Darío; Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Cheben, Pavel; Schmid, Jens H.; Xu, Dan-Xia; Janz, Siegfried; Lapointe, J.; Molina-Fernández, Íñigo; Ortega-Moñux, Alejandro[et al.] (2016-09-06)Photonic structures with a sub-wavelength pitch, small enough to suppress diffraction, can behave as equivalent homogenous materials that can be engineered to exhibit a specific refractive index and dispersion. Here we ... -
Subwavelength metamaterial engineering for silicon photonics
Halir, Robert; Ortega-Moñux, Alejandro; Soler-Penades, Jordi; Luque-González, José Manuel; Sarmiento-Merenguel, Darío; Sánchez-Postigo, Alejandro; Wanguemert-Pérez, Juan Gonzalo; Schmid, Jens H.; Xu, Dan-Xia; Janz, Siegfried; Lapointe, J.; Molina-Fernández, Íñigo; Nedeljkovic, Milos; Mashanovich, Goran; Cheben, Pavel[et al.] (2017-02-06)Waveguides structured at the subwavelength scale frustrate di raction and behave as optical metamaterials with controllable refractive index. These structures have found widespread applications in silicon photonics, ranging ... -
Subwavelength metamaterial for communications and sensing
Wanguemert-Pérez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Hadij-El-Houati, Abdelfettah; Pereira-Martin, Daniel; Luque-González, José Manuel; Leuermann, Jonas; Ortega-Moñux, Alejandro; Halir, Robert; Molina-Fernández, Íñigo; Cheben, Pavel; Xu, Dan-Xia; Schmid, Jens H.; Ctyroky, Jiri; Litvik, Jan; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran; González Andrade, David; Velasco, Aitor V.[et al.] (2018-10-29)Silicon photonics is considered a breakthrough technology with strong impact in areas as diverse as data center interconnection, high performance computing, the deployment of 5G future communication systems or lab-on-a-chip ... -
Subwavelength metamaterial structures for silicon photonics
Wanguemert-Pérez, Juan Gonzalo; Sánchez-Postigo, Alejandro; Luque-González, José Manuel; Sarmiento-Merenguel, Jose Darío; Halir, Robert; Ortega-Moñux, Alejandro; Molina-Fernández, Íñigo; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, G.Z.; Alonso-Ramos, C.; Pérez-Galacho, Diego; González Andrade, David; V. Velasco, Aitor[et al.] (Photonics North, 2017)Sub-wavelength periodic metamaterial structures are enabling the design of silicon photonic devices with unprecedented performance in the near infrared band. However, for applications in the promising mid-infrared band it ... -
Subwavelength-engineered metamaterial devices for integrated photonics
Sánchez-Postigo, Alejandro; Ginel-Moreno, Pablo; Pereira-Martín, Daniel; Hadij-El-Houati, Abdelfettah; Luque-González, José Manuel; Pérez-Armenta, Carlos; Wanguemert-Pérez, Juan Gonzalo; Ortega-Moñux, Alejandro; Halir, Robert; Schmid, Jens H.; Soler-Penades, Jordi; Nedeljkovic, Milos; Ye, Winnie N.; Mashanovich, Goran Z.; Cheben, Pavel; Molina-Fernández, Íñigo[et al.] (2022)The engineering of subwavelength grating metamaterials has become an essential design strategy in silicon photonics. The lithographic segmentation of integrated waveguides at the subwavelength scale enables the synthesis ...