Search

Your search keyword '"Ginel-Moreno P"' showing total 13 results
Start Over Author "Ginel-Moreno P"
13 results on '"Ginel-Moreno P"'

1. Subwavelength-Engineered Metamaterial Devices for Integrated Photonics

Author

Cheben, P., primary, Schmid, J. H., additional, Ginel-Moreno, P., additional, Khajavi, S., additional, Korček, R., additional, Fraser, W., additional, Sirmaci, D., additional, Hinestrosa, A. F., additional, Luque-González, J. M., additional, Pereira-Martín, D., additional, Sánchez-Postigo, A., additional, Hadij-ElHouati, A., additional, Benedikovič, D., additional, Ortega-Moñux, A., additional, Wangüemert-Pérez, J. G., additional, Molina-Fernández, I., additional, Halir, R., additional, Ye, W. N., additional, Melati, D., additional, Alonso-Ramos, C., additional, González-Andrade, D., additional, Vivien, L., additional, Staude, I., additional, Zhang, J., additional, Milanizadeh, M., additional, Xu, D.-X., additional, Grinberg, Y., additional, Cheriton, R., additional, Janz, S., additional, Wang, S., additional, Vachon, M., additional, Dado, M., additional, de Cabo, R. Fernández, additional, and Velasco, A. V., additional

Published
2023
Full Text
View/download PDF

3. Silicon nitride CMOS platform for integrated optical phased arrays applications

Author

Ilie, S. T., primary, Ginel-Moreno, P., additional, Sagar, J., additional, Bucio, T. Dominguez, additional, Ortega-Monux, A., additional, Lekkas, K., additional, Rutirawut, T., additional, Mastronardi, L., additional, Skandalos, I., additional, Grabska, K. M., additional, Molina-Fernandez, I., additional, Kanellos, G. T., additional, Cheben, P., additional, and Gardes, F. Y., additional

Published
2021
Full Text
View/download PDF

4. Subwavelength Grating Metamaterial Structures for Integrated Photonics

Author

Halir, R., primary, Sánchez-Postigo, A., additional, Luque-González, J. M., additional, Hadij-ElHouati, A., additional, Pereira-Martín, D., additional, Leuermann, J., additional, Ginel-Moreno, P., additional, Pérez-Armenta, C., additional, Torres-Cubillo, A., additional, Herrero-Bermello, A., additional, Dias-Ponte, A., additional, González-Andrade, D., additional, Velasco, A. V., additional, Wangüemert-Pérez, J. G., additional, Ortega-Moñux, A., additional, de-Oliva-Rubio, J., additional, Cheben, P., additional, Schmid, J. H., additional, Ctyroký, J., additional, Nedeljkovic, M., additional, Mashanovich, G. Z., additional, and Molina-Fernández, Í., additional

Published
2021
Full Text
View/download PDF

5. Metamaterial silicon photonics

Author

Cheben, P., primary, Schmid, J.H., additional, Halir, R., additional, Alonso-Ramos, C., additional, Melati, D., additional, Sanchez-Postigo, A., additional, Benedikovic, D., additional, Luque-Gonzalez, J.M., additional, Gonzalez-Andrade, D., additional, Pereira-Martin, D., additional, Elhouati, A. Hadij, additional, Ginel Moreno, P., additional, Ctyroky, J., additional, Ortega-Monux, A., additional, Wanguemert-Perez, J. G., additional, Molina-Fernandez, I., additional, Grinberg, Y., additional, Velasco, A. V., additional, Herrero-Bermello, A., additional, Lapointe, J., additional, Cheriton, R., additional, Janz, S., additional, Xu, D. -X., additional, Kamandar Dezfouli, M., additional, Wang, S., additional, Vachon, M., additional, Vivien, L., additional, Khajavi, S., additional, Ye, W. N., additional, and Dado, M., additional

Published
2020
Full Text
View/download PDF

6. Subwavelength-engineered metamaterial devices for integrated photonics

Author

He, Sailing, Vivien, Laurent, Sánchez Postigo, A., Ginel-Moreno, P., Pereira-Martin, D., Hadij-El Houati, A., Luque-González, J. M., Pérez-Armenta, C., Wangüemert-Pérez, J. G., Ortega-Moñux, A., Halir, R., Schmid, J. H., Soler Penadés, J., Nedeljkovic, M., Ye, W. N., Mashanovich, G. Z., Cheben, P., and Molina-Fernández, I.

Published
2022
Full Text
View/download PDF

7. Millimeter-long metamaterial surface-emitting antenna in the silicon photonics platform

Author

Ginel-Moreno, Pablo, Sánchez-Postigo, Alejandro, de-Oliva-Rubio, José, Hadij-ElHouati, Abdelfettah, Ye, Winnie N., Wangüemert-Pérez, J. Gonzalo, Molina-Fernández, Íñigo, Schmid, Jens H., Cheben, Pavel, and Ortega-Moñux, Alejandro

Abstract

Integrated optical antennas are key components for on-chip light detection and ranging technology (LIDAR). In order to achieve a highly collimated far field with reduced beam divergence, antenna lengths on the order of several millimeters are required. In the high-index contrast silicon photonics platform, achieving such long antennas typically demands weakly modulated gratings with lithographic minimum feature sizes below 10 nm. Here, we experimentally demonstrate a new, to the best of our knowledge, strategy to make long antennas in silicon waveguides using a metamaterial subwavelength grating (SWG) waveguide core loaded with a lateral periodic array of radiative elements. The mode field confinement is controlled by the SWG duty cycle, and the delocalized propagating mode overlaps with the periodic perturbations. With this arrangement, weak antenna radiation strength can be achieved while maintaining a minimum feature size as large as 80 nm. Using this strategy, we experimentally demonstrate a 2-millimeter-long, single-etched subwavelength-engineered optical antenna on a conventional 220 nm SOI platform, presenting a measured far-field beam divergence of 0.1° and a wavelength scanning sensitivity of 0.13°/nm.

Published
2021

8. Highly efficient optical antenna with small beam divergence in silicon waveguides

Author

Ginel-Moreno, Pablo, Pereira-Martín, Daniel, Hadij-ElHouati, Abdelfettah, Ye, Winnie N., Melati, Daniele, Xu, Dan-Xia, Janz, Siegfried, Ortega-Moñux, Alejandro, Wangüemert-Pérez, J. Gonzalo, Halir, Robert, Molina-Fernández, Íñigo, Schmid, Jens H., and Cheben, Pavel

Abstract

Optical antennas are key components in optical phased arrays for light detection and ranging technology requiring long sensing range and high scanning resolution. To achieve a narrow beam width in the far-field region, antenna lengths of several millimeters or more are required. To date, such long antennas have been impossible to achieve in silicon waveguides because currently demonstrated technologies do not allow accurate control of grating strength. Here, we report on a new type of surface-emitting silicon waveguide with a dramatically increased antenna length of L=3.65mm. This is achieved by using a subwavelength metamaterial waveguide core evanescently coupled with radiative segments laterally separated from the core. This results in a far-field diffracted beam width of 0.025°, which is a record small beam divergence for a silicon photonics surface-emitting device. We also demonstrate that by using a design with L-shaped surface-emitting segments, the radiation efficiency of the antenna can be substantially increased compared to a conventional design, with an efficiency of 72% at the wavelength of 1550 nm.

Published
2020

11. Building high-performance integrated optical devices using subwavelength grating metamaterials -INVITED

Author

Sánchez-Postigo Alejandro, Ginel-Moreno Pablo, Ortega-Moñux Alejandro, Wangüemert-Pérez J. Gonzalo, Halir Robert, Pereira-Martín Daniel, Hadij-ElHouati Abdelfettah, Schmid Jens H., Wang Shurui, Vachon Martin, Xu Dan-Xia, Ye Winnie N., Soler Penadés Jordi, Nedeljkovic Milos, Mashanovich Goran Z., Cheben Pavel, and Molina-Fernández Íñigo

Subjects
Physics, QC1-999
Abstract

The use of subwavelength grating structures in silicon waveguides have fuelled the development of integrated optical components with superior performance. By a judicious lithographic patterning of the grating, the optical properties of the synthesized metamaterial can be accurately tailored. In this work, we review our latest advances in subwavelength-grating-engineered silicon and germanium planar devices.

Published
2021
Full Text
View/download PDF

12. UV-written silicon nitride integrated optical phased arrays

Author

He, Sailing, Vivien, Laurent, Ilie, S. T., De Paoli, G., Flint, A., Dominguez Bucio, T., Ginel-Moreno, P., Sagar, J., Ortega-Monux, A., Lekkas, K., Rutirawut, T., Mastronardi, L., Skandalos, I., Molina Fernandez, I., Kanellos, G. T., Cheben, P., Smith, P. G. R., Gates, J. C., and Gardes, F. Y.

Published
2022
Full Text
View/download PDF

13. Ultra-efficient surface grating couplers for chip-to-fiber and chip-to-free-space coupling based on single-beam radiation.

Author

Sánchez-Postigo A, Ginel-Moreno P, Schmid JH, Hadij-ElHouati A, Ortega-Moñux A, Gonzalo Wangüemert-Pérez J, Halir R, Cheben P, and Molina-Fernández Í

Abstract

Surface grating couplers, such as fiber-chip grating couplers and optical antennas, are fundamental devices in photonic integrated circuits, as they enable the coupling of light between the chip and an external medium. An important metric of surface grating couplers is the coupling efficiency, and high values, greater than -1 dB, are required for applications in quantum technology, light detection and ranging, and optical interconnects. Surface grating couplers typically suffer from radiation loss to the substrate, which significantly limits their coupling efficiency. Here we propose a novel grating-coupling concept that utilizes a high-refractive-index upper cladding to frustrate radiation orders to the substrate by operating in a single-beam diffraction regime. To illustrate this concept, we report the design of an easily fabricable silicon surface grating coupler with an unprecedented coupling efficiency of -0.2 dB to a single-mode optical fiber. Furthermore, the proposed strategy allows us to design an evanescently coupled millimeter-long optical antenna with a coupling efficiency of -0.1 dB to free space. Additionally, an ultra-fast wavelength-tunable beam steering of 0.37°/nm is achieved, which corresponds to more than a 2.5-fold enhancement over comparable silicon antennas. These results represent a pathway for a new set of photonic integrated interfaces for applications in which high-efficiency chip-to-fiber and chip-to-free-space coupling is critical.

Published
2024
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results