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Listar por autor "Herrero-Bermello, Alaine"
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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-Fernández, Íñigo; 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 ... -
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-Pérez, Juan Gonzalo; Molina-Fernández, Íñigo[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-Fernández, Íñigo; 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, ... -
High performance silicon photonic devices based on practical metamaterials
Halir, Robert; Luque-González, José Manuel; Sánchez-Postigo, Alejandro; Herrero-Bermello, Alaine; González-Andrade, David; Hadij-El-Houati, Abdelfettah; Leuermann, Jonas; Pereira-Martín, Daniel; Ortega-Moñux, Alejandro; Ctyroky, Jiri; Wanguemert-Pérez, Juan Gonzalo; Velasco, Aitor V.; Sánchez-Rodriguez, Marina; De-Oliva-Rubio, José; Schmid, Jens H.; Soler-Penades, Jordi; Nedeljkovic, Milos; Mashanovich, Goran Z.; Cheben, Pavel; Molina-Fernández, Íñigo[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 splitting directional coupler using tilted subwavelength gratings
Luque-González, José Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro; Sánchez-Rodriguez, Marina; Velasco, Aitor V.; Schmid, Jens; Cheben, Pavel; Molina-Fernández, Íñigo; Halir, Robert[et al.] (Optica Publishing Group, 2020)On-chip polarization splitters are key elements for coherent optical communication systems and polarization diversity circuits. These devices are often implemented with directional couplers that are symmetric for one ... -
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 ... -
Tilted subwavelength gratings: controlling anisotropy in metamaterial nanophotonic waveguides
Luque-González, José Manuel; Herrero-Bermello, Alaine; Ortega-Moñux, Alejandro; Molina-Fernández, Íñigo; Halir, Robert; Wang, Shurui; Schmid, Jens H.; Cheben, Pavel; Velasco, Aitor V.[et al.] (2018-10-24)Subwavelength grating (SWG) structures are an essential tool in silicon photonics, enabling the synthesis of metamaterials with a controllable refractive index. Here we propose, for the first time to the best of our ...