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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
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2. Silicon photonic mode multiplexers based on subwavelength metamaterials and on-chip beam forming

Author

Agence Nationale de la Recherche (France), European Commission, Ministerio de Ciencia e Innovación (España), Comunidad de Madrid, Conseil départemental de l'Essonne, #NODATA#, González-Andrade, D., Fernández de Cabo, R., Vilas, J., Dinh, T. T.D., Luque-González, J. M., Oser, D., Aubin, G., Amar, F., Pérez-Galacho, D., Olivares, I., Dias, A., Halir, R., Ortega-Moñux, A., Wangüemert-Pérez, J. G., Molina-Fernández, Cassan, E., Marris-Morini, D., Cheben, P., Vivien, L., Velasco, Aitor V., Alonso-Ramos, C., Agence Nationale de la Recherche (France), European Commission, Ministerio de Ciencia e Innovación (España), Comunidad de Madrid, Conseil départemental de l'Essonne, #NODATA#, González-Andrade, D., Fernández de Cabo, R., Vilas, J., Dinh, T. T.D., Luque-González, J. M., Oser, D., Aubin, G., Amar, F., Pérez-Galacho, D., Olivares, I., Dias, A., Halir, R., Ortega-Moñux, A., Wangüemert-Pérez, J. G., Molina-Fernández, Cassan, E., Marris-Morini, D., Cheben, P., Vivien, L., Velasco, Aitor V., and Alonso-Ramos, C.

Abstract

Integration of photonic circuits on silicon offers a unique opportunity to address the scaling of inter- and intra-chip communications in an energy-efficient and cost-effective manner. Mode-division multiplexing (MDM) is deemed as one of the most promising technologies to increase aggregated data bandwidth and avoid a communication capacity crunch. In this invited talk, we review our latest advances on integrated silicon mode multiplexers, including new topologies based on subwavelength grating (SWG) metamaterials for extended broadband operation and higher-order mode support. Specifically, we report on an ultra-broadband multiplexer based on a phase shifter and a multimode interference (MMI) coupler both engineered with subwavelength metamaterials. Experimental measurements of a complete multiplexer-demultiplexer link show losses lower than 2 dB and crosstalk below -17 dB over a bandwidth of 245 nm (1427 – 1672 nm).

Published
2023

4. Ultra-broadband silicon photonics devices based on subwavelength metamaterials -INVITED

Author

Velasco A. V., González-Andrade D., Herrero-Bermello A., Luque-González J. M., Halir R., Wangüemert-Pérez J. G., Ortega-Moñux A., Dias A., Molina-Fernández I., and Cheben P.

Subjects
Physics, QC1-999
Abstract

Subwavelength structured waveguides provide tailorable optical properties that can be leveraged to overcome bandwidth limitations in a wide range of photonic devices. In this invited talk, we present an overview of recent developments on subwavelength engineered building blocks, including phase shifters, mode multiplexers, polarization beam splitters and zero-birefringence waveguides.

Published
2020
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5. Integrated mode converter and multiplexer

Author

González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Corredera, Pedro [0000-0002-0965-0136], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, Molina-Fernández, Iñigo, González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Corredera, Pedro [0000-0002-0965-0136], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, and Molina-Fernández, Iñigo

Abstract

An integrated mode converter and multiplexer (/demultiplexer) is disclosed, which combines a multimode interference coupler (100), at least one phase-shifter (200) and a symmetrical Y-junction (300). The dispersion of the multimode interference coupler (100) is engineered through subwavelength structures in order to achieve a very wide bandwidth. Several phase-shifter (200) topologies for further bandwidth enhancement are disclosed, as well as architectures for multiplexing a greater number of optical modes.

Published
2020

6. Conversor y multiplexor de modos integrado

Author

González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Corredera, Pedro [0000-0002-0965-0136], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, Molina-Fernández, Iñigo, González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Corredera, Pedro [0000-0002-0965-0136], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, and Molina-Fernández, Iñigo

Abstract

Conversor y multiplexor (/demultiplexor) que combina un acoplador de interferencia multimodal (100), al menos un desfasador (200) y una unión Y simétrica (300). Se realiza ingeniería sobre la dispersión del acoplador de interferencia multimodal (100) a través de estructuras sublongitud de onda para conseguir un muy gran ancho de banda. Se presentan varias topologías de desfasadores (200) para un mayor aumento del ancho de banda, así como arquitecturas para multiplexar un mayor número de modos ópticos.

Published
2019

7. Integrated mode converter and multiplexer

Author

González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Corredera, Pedro [0000-0002-0965-0136], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, Molina-Fernández, Iñigo, González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Corredera, Pedro [0000-0002-0965-0136], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, and Molina-Fernández, Iñigo

Abstract

[EN] An integrated mode converter and multiplexer (/demultiplexer) is disclosed, which combines a multimode interference coupler (100), at least one phase-shifter (200) and a symmetrical Y-junction (300). The dispersion of the multimode interference coupler (100) is engineered through subwavelength structures in order to achieve a very wide bandwidth. Several phase-shifter (200) topologies for further bandwidth enhancement are disclosed, as well as architectures for multiplexing a greater number of optical modes., [FR] La présente invention concerne un convertisseur et un multiplexeur (/démultiplexeur) de mode intégrés, qui combinent un coupleur d'interférence multimode (100), au moins un déphaseur (200) et une jonction en Y symétrique (300). La dispersion du coupleur d'interférence multimode (100) est modifiée par l'intermédiaire de structures de sous-longueur d'onde afin d'obtenir une bande passante très large. L'invention concerne également plusieurs topologies de déphaseur (200) destinées à une amélioration de bande passante supplémentaire, ainsi que des architectures permettant de multiplexer un plus grand nombre de modes optiques.

Published
2019

9. Tunable index silicon nitride for CMOS photonics applications

Author

Gardes, Frederic Y., primary, Domínguez Bucio, Thalía, additional, Mastronardi, Lorenzo, additional, De Paoli, Greta, additional, Jantzen, Senta L., additional, Skandalos, Ilias, additional, Milosevic, Milan M., additional, Vitali, Valerio, additional, Faneca, Joaquin, additional, Petropoulos, Periklis, additional, Jurado Romero, Francisco, additional, Luque-González, José Manuel, additional, Molina-Fernández, Íñigo, additional, Halir, Robert, additional, Ortega-Moñux, Alejandro, additional, Wangüemert-Pérez, J. G., additional, Melati, Daniele, additional, Schmid, Jens H., additional, and Cheben, Pavel, additional

Published
2021
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10. Conversor y multiplexor de modos integrado

Author

González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, Molina-Fernández, Iñigo, González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Corredera, Pedro [0000-0002-0965-0136], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], González-Andrade, Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, and Molina-Fernández, Iñigo

Abstract

[EN] An integrated mode converter and multiplexer (/demultiplexer) is disclosed, which combines a multimode interference coupler (100), at least one phase-shifter (200) and a symmetrical Y-junction (300). The dispersion of the multimode interference coupler (100) is engineered through subwavelength structures in order to achieve a very wide bandwidth. Several phase-shifter (200) topologies for further bandwidth enhancement are disclosed, as well as architectures for multiplexing a greater number of optical modes., [FR] La présente invention concerne un convertisseur et un multiplexeur (/démultiplexeur) de mode intégrés, qui combinent un coupleur d'interférence multimode (100), au moins un déphaseur (200) et une jonction en Y symétrique (300). La dispersion du coupleur d'interférence multimode (100) est modifiée par l'intermédiaire de structures de sous-longueur d'onde afin d'obtenir une bande passante très large. L'invention concerne également plusieurs topologies de déphaseur (200) destinées à une amélioration de bande passante supplémentaire, ainsi que des architectures permettant de multiplexer un plus grand nombre de modes optiques., Consejo Superior de Investigaciones Científicas (España), Universidad de Málaga, A1 Solicitud de patente con informe sobre el estado de la técnica

Published
2018

11. Conversor y multiplexor de modos integrado

Author

González-Andrade, D., Villafranca Velasco, Aitor, Corredera, Pedro, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, Molina-Fernández, Iñigo, González-Andrade, Villafranca Velasco, Aitor, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Halir, Robert, Molina-Fernández, Iñigo, González-Andrade [0000-0003-4402-877X], Villafranca Velasco, Aitor [0000-0001-7729-8595], Wangüemert-Pérez, J. G. [0000-0002-9201-4463], Ortega-Moñux, Alejandro [0000-0001-8313-6381], Halir, Robert [0000-0002-5560-3189], Molina-Fernández, Iñigo [0000-0001-9596-4117], Corredera, Pedro [0000-0002-0965-0136], and Corredera, Pedro

Abstract

Conversor y multiplexor (/demultiplexor) que combina un acoplador de interferencia multimodal (100), al menos un desfasador (200) y una unión Y simétrica (300). Se realiza ingeniería sobre la dispersión del acoplador de interferencia multimodal (100) a través de estructuras sublongitud de onda para conseguir un muy gran ancho de banda. Se presentan varias topologías de desfasadores (200) para un mayor aumento del ancho de banda, así como arquitecturas para multiplexar un mayor número de modos ópticos., Consejo Superior de Investigaciones Científicas (España), Universidad de Málaga, A1 Solicitud de patente con informe sobre el estado de la técnica

Published
2017

12. 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
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13. Subwavelength silicon photonic metamaterials for mode multiplexing and polarization control

Author

Velasco, Aitor V., González-Andrade, David, Herrero-Bermello, Alaine, Dias, Antonio, Wangüemert-Pérez, J. G., Ortega-Moñux, Alejandro, Molina-Fernández, Íñigo, Halir, Robert, Luque-González, José Manuel, Cheben, Pavel, Lee, El-Hang, and He, Sailing

Subjects
polarization, metamaterials, multiplexing, silicon photonics, polarization control, anisotropy, brain-machine interfaces
Abstract

Subwavelength gratings (SWG) enable the synthesis of dispersion-engineered photonic metamaterials, leading to unprecedented performance in silicon photonic devices. In this work, we further explore the potential of this technology by presenting an ultra-broadband mode de/multiplexer (DE/MUX) and a polarization beamsplitter (PBS) with a novel approach for anisotropy engineering through tilted SWG structures. The proposed two-mode DE/MUX consists of a SWG-engineered multimode interference coupler (MMI), a 90º phase-shifter and a symmetric Y-junction. SWG structures are also included in fiber-to-chip couplers and in adiabatic transitions between Si-wire interconnect waveguides and the MMI. Simulated insertion losses of the proposed device are less than 0.18 dB in the wavelength range from 1.4 μm to 1.7 μm. These values further decrease down to 0.11 dB for the TE0 mode and 0.07 dB for the TE1 mode in the C-band wavelength range (1.53 – 1.57 μm). Crosstalk of both modes is below -20.6 dB in the wavelength range from 1.4 μm to 1.7 μm and below -36 dB within the C-band. The proposed PBS consists of an MMI incorporating tilted sub-wavelength gratings. This novel anisotropy engineering technique provides independent control on the propagation constant of each polarization, enabling the implementation of shorter devices with improved performance. An extinction ratio over 20 dB and insertion losses below 1.5 dB in a 116-nm-wide bandwidth are demonstrated, for a MMI length under 100 μm., Smart Photonic and Optoelectronic Integrated Circuits XXI, February 2-7, 2019, San Francisco, USA, Series: Proceedings of SPIE; no. 10922

Published
2019

14. Integrated polarisation splitter

Author

Villafranca Velasco, Aitor, Herrero-Bermello, A., Corredera, Pedro, Halir, Robert, Ortega-Moñux, Alejandro, Wangüemert-Pérez, J. G., Molina-Fernández, Iñigo, Villafranca Velasco, Aitor, Herrero-Bermello, A., Corredera, Pedro, Halir, Robert, Ortega-Moñux, Alejandro, Wangüemert-Pérez, J. G., and Molina-Fernández, Iñigo

Published
2020

15. Waveguide, waveguide production method, and polarisation splitter using said waveguide

Author

Halir, Robert, Luque-González, José Manuel, Herrero-Bermello, A., Ortega-Moñux, Alejandro, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., Villafranca Velasco, Aitor, Halir, Robert, Luque-González, José Manuel, Herrero-Bermello, A., Ortega-Moñux, Alejandro, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., and Villafranca Velasco, Aitor

Abstract

Guía de onda y divisor de polarización basado en dicha guía de onda, en los que se aplica un giro de un ángulo mayor de cero a una pluralidad de secciones de un material de núcleo y una pluralidad de secciones de un material de cobertura, consiguiendo así un control independiente de los índices de refracción de un modo transversal eléctrico de orden cero y un modo transversal magnético de orden cero.En este documento también se describe un método de fabricación de dicha guía de onda que permite modificar la birrefringencia de la luz que circula a través de la misma. [ES], The invention relates to a waveguide and a polarisation splitter based on said waveguide, in which a rotation of an angle greater than zero is applied to a plurality of sections of a core material and a plurality of sections of a covering material, thereby achieving independent control of the refractive indices of a zero-order transverse electric mode and a zero-order transverse magnetic mode. The invention also relates to a method for producing said waveguide, which allows the birefringence of the light that passes through the waveguide to be modified. [EN]

Published
2020

16. Guía de onda, método de fabricación de dicha guía de onda y divisor de polarización que hace uso de dicha guía de onda

Author

Halir, Robert, Luque-González, José Manuel, Herrero-Bermello, A., Ortega-Moñux, Alejandro, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., Villafranca Velasco, Aitor, Halir, Robert, Luque-González, José Manuel, Herrero-Bermello, A., Ortega-Moñux, Alejandro, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., and Villafranca Velasco, Aitor

Abstract

Guía de onda, método de fabricación de dicha guía de onda y divisor de polarización que hace uso de dicha guía de onda. Guía de onda y divisor de polarización basado en dicha guía de onda, en los que se aplica un giro de un ángulo mayor de cero a una pluralidad de secciones de un material de núcleo y una pluralidad de secciones de un material de cobertura, consiguiendo así un control independiente de los índices de refracción de un modo transversal eléctrico de orden cero y un modo transversal magnético de orden cero. En este documento también se describe un método de fabricación de dicha guía de onda que permite modificar la birrefringencia de la luz que circula a través de la misma.

Published
2020

17. Silicon subwavelength waveguiding devices

Author

Alcyon Photonics, Universidad de Málaga, Ministerio de Economía y Competitividad (España), Ministerio de Educación, Cultura y Deporte (España), European Commission, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., Ortega-Moñux, A., Halir, Robert, Oliva-Rubio, José de, Sánchez Postigo, Alejandro, Luque-González, José Manuel, Hadij-El-Houati, Abdelfettah, Pereira-Martín, Daniel, González-Andrade, D., Velasco, Aitor V., Herrero-Bermello, A., Schmid, Jens H., Cheben, Pavel, Čtyroký, Jiří, Alcyon Photonics, Universidad de Málaga, Ministerio de Economía y Competitividad (España), Ministerio de Educación, Cultura y Deporte (España), European Commission, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., Ortega-Moñux, A., Halir, Robert, Oliva-Rubio, José de, Sánchez Postigo, Alejandro, Luque-González, José Manuel, Hadij-El-Houati, Abdelfettah, Pereira-Martín, Daniel, González-Andrade, D., Velasco, Aitor V., Herrero-Bermello, A., Schmid, Jens H., Cheben, Pavel, and Čtyroký, Jiří

Abstract

Silicon photonics has emerged as an intense field of research due to its unique capabilities to integrate photonics and electronics into the same platform using standard semiconductor fabrication facilities. Subwavelength grating (SWG) structures, i.e. periodic nanostructured waveguides with a pitch below half the wavelength of light, allow the lossless propagation of Bloch-Floquet modes which closely resemble propagation through a homogenous waveguide with optical properties (refractive index, dispersion, birefringence) that can be tailored to fulfill specific design goals. SWG engineering is now routinely used for novel and advanced device design. Fiber-chip couplers, polarization and mode multiplexers, multimode interference couplers (MMIs), lenses, and bragg filters have been successfully designed in our group based in these concepts. In this invited talk we will review some of our last advances in the field.

Published
2020

18. Subwavelength grating metamaterial structures for integrated photonics

Author

Alcyon Photonics, Universidad de Málaga, Ministerio de Economía y Competitividad (España), Ministerio de Educación, Cultura y Deporte (España), European Commission, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., Ortega-Moñux, A., Halir, Robert, Oliva-Rubio, José de, Sánchez Postigo, Alejandro, Luque-González, José Manuel, Hadij-El-Houati, Abdelfettah, Pereira-Martín, Daniel, González-Andrade, D., Velasco, Aitor V., Herrero-Bermello, A., Schmid, Jens H., Cheben, Pavel, Čtyroký, Jiří, Alcyon Photonics, Universidad de Málaga, Ministerio de Economía y Competitividad (España), Ministerio de Educación, Cultura y Deporte (España), European Commission, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., Ortega-Moñux, A., Halir, Robert, Oliva-Rubio, José de, Sánchez Postigo, Alejandro, Luque-González, José Manuel, Hadij-El-Houati, Abdelfettah, Pereira-Martín, Daniel, González-Andrade, D., Velasco, Aitor V., Herrero-Bermello, A., Schmid, Jens H., Cheben, Pavel, and Čtyroký, Jiří

Abstract

Integrated photonics devices, based in subwavelength grating (SWG) metamaterials, have shown unprecedented performance in a wide variety of situations. Since their proposal and first experimental demonstration in 2010 designers have made use of the new degrees of freedom provided by these structures to design advanced devices with improved capabilities. The extended design space provided by SWG structures has been successfully used to engineer the refractive index, the dispersion and, more recently, the waveguide birefringence, thus allowing novel advanced device design. In this invited talk we will review some of the advances made by our group in the field

Published
2020

20. Divisor de polarización integrado

Author

Villafranca Velasco, Aitor, Herrero-Bermello, A., Corredera, Pedro, Halir, Robert, Ortega-Moñux, Alejandro, Wangüemert-Pérez, J. G., and Molina-Fernández, Iñigo

Subjects
Physics::Optics
Abstract

The invention relates to an integrated polarisation splitter based on a sub-wavelength multimode interference coupler (110), in other words, a multimode interference coupler (110) with an anisotropic multimode waveguide region formed by a plurality of sections of core material (210) and a plurality of sections of a cladding material (230) alternately arranged in a periodic way, with a period (Λ) smaller than the wavelength of a light propagated through said anisotropic region. The core material sections (210) are rotated an angle (α) greater than zero with respect to a perpendicular with an input waveguide (120) to increase the anisotropic character of the multimode waveguide region., Consejo Superior de Investigaciones Científicas (España), Universidad de Malaga, A1 Solicitud de patente con informe sobre el estado de la técnica

Published
2019

21. Guía de onda, método de fabricación de dicha guía de onda y divisor de polarización que hace uso de dicha guía de onda

Author

Halir, Robert, Luque-González, José Manuel, Herrero-Bermello, A., Ortega-Moñux, Alejandro, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., and Villafranca Velasco, Aitor

Abstract

Guía de onda y divisor de polarización basado en dicha guía de onda, en los que se aplica un giro de un ángulo mayor de cero a una pluralidad de secciones de un material de núcleo y una pluralidad de secciones de un material de cobertura, consiguiendo así un control independiente de los índices de refracción de un modo transversal eléctrico de orden cero y un modo transversal magnético de orden cero.En este documento también se describe un método de fabricación de dicha guía de onda que permite modificar la birrefringencia de la luz que circula a través de la misma. [ES], The invention relates to a waveguide and a polarisation splitter based on said waveguide, in which a rotation of an angle greater than zero is applied to a plurality of sections of a core material and a plurality of sections of a covering material, thereby achieving independent control of the refractive indices of a zero-order transverse electric mode and a zero-order transverse magnetic mode. The invention also relates to a method for producing said waveguide, which allows the birefringence of the light that passes through the waveguide to be modified. [EN], Universidad de Málaga, Consejo Superior de Investigaciones Científicas (España), A1 Solicitud de patente con informe sobre el estado de la técnica

Published
2019

23. Silicon Subwavelength Structures: Practical Metamaterials for Communications and Sensing

Author

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

Published
2020
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25. Subwavelength silicon photonic metamaterials for mode multiplexing and polarization control (Conference Presentation)

Author

Velasco, Aitor V., primary, González-Andrade, David, additional, Herrero-Bermello, Alaine, additional, Dias, Antonio, additional, Wangüemert-Pérez, J. G., additional, Ortega-Moñux, Alejandro, additional, Molina-Fernández, Íñigo, additional, Halir, Robert, additional, Luque-González, José Manuel, additional, and Cheben, Pavel, additional

Published
2019
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26. 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
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27. Recent Advances in Metamaterial Integrated Photonics

Author

Cheben, Pavel, Schmid, J. H., Halir, R., Alonso-Ramos, Carlos, Benedikovic, D., Sánchez Postigo, Alejandro, Luque-González, José Manuel, González-Andrade, D., Pereira-Martín, Daniel, Čtyroký, Jiří, Melati, D., Grinberg, Y., Ortega-Moñux, A., Wangüemert-Pérez, J. G., Molina-Fernández, Iñigo, Velasco, Aitor V., Herrero-Bermello, A., Lapointe, J., Janz, S., Xu, Dan-Xia, Cheriton, R., Kamandar, M., Wang, Shanshan, Vachon, M., Vivien, L., Ye, W. N., Litvik, J., Dado, M., Cheben, Pavel, Schmid, J. H., Halir, R., Alonso-Ramos, Carlos, Benedikovic, D., Sánchez Postigo, Alejandro, Luque-González, José Manuel, González-Andrade, D., Pereira-Martín, Daniel, Čtyroký, Jiří, Melati, D., Grinberg, Y., Ortega-Moñux, A., Wangüemert-Pérez, J. G., Molina-Fernández, Iñigo, Velasco, Aitor V., Herrero-Bermello, A., Lapointe, J., Janz, S., Xu, Dan-Xia, Cheriton, R., Kamandar, M., Wang, Shanshan, Vachon, M., Vivien, L., Ye, W. N., Litvik, J., and Dado, M.

Published
2019

28. Suspended silicon waveguides for long-wave infrared wavelengths

Author

Penadés, J. Soler, Sánchez-Postigo, A., Nedeljkovic, M., Ortega-Moñux, A., Wangüemert-Pérez, J. G., Xu, Y., Halir, R., Qu, Z., Khokhar, A. Z., Osman, A., Cao, W., Littlejohns, C. G., Cheben, P., Molina-Fernández, I., Mashanovich, G. Z., and School of Electrical and Electronic Engineering

Subjects
Silicon Photonics, Engineering::Electrical and electronic engineering [DRNTU], FOS: Physical sciences, Mid-infrared, Physics - Optics, Optics (physics.optics)
Abstract

In this paper we report suspended silicon waveguides operating at a wavelength of 7.67 mm with a propagation loss of 3.1 ? 0.3 dB/cm. To our knowledge this is the first demonstration of low loss silicon waveguides at such a long wavelength, with loss comparable to other platforms that use more exotic materials. The suspended Si waveguide core is supported by a subwavelength grating that provides lateral optical confinement, while also allowing access to the buried oxide layer so that it can be wet etched using hydrofluoric acid. We also demonstrate low loss waveguide bends and s-bends., Comment: 4 pages, 4 figures, accepted version

Published
2018

29. Guía de onda, método de fabricación de dicha guía de onda y divisor de polarización que hace uso de dicha guía de onda

Author

Halir, Robert, Luque-González, José Manuel, Herrero-Bermello, A., Ortega-Moñux, Alejandro, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. G., and Villafranca Velasco, Aitor

Abstract

Guía de onda, método de fabricación de dicha guía de onda y divisor de polarización que hace uso de dicha guía de onda. Guía de onda y divisor de polarización basado en dicha guía de onda, en los que se aplica un giro de un ángulo mayor de cero a una pluralidad de secciones de un material de núcleo y una pluralidad de secciones de un material de cobertura, consiguiendo así un control independiente de los índices de refracción de un modo transversal eléctrico de orden cero y un modo transversal magnético de orden cero. En este documento también se describe un método de fabricación de dicha guía de onda que permite modificar la birrefringencia de la luz que circula a través de la misma., Universidad de Málaga, Consejo Superior de Investigaciones Científicas (España), A1 Solicitud de patente con informe sobre el estado de la técnica

Published
2018

30. Enhanced Sensitivity Subwavelength Grating Waveguides for Silicon Photonics Sensing Applications

Author

Wangüemert-Pérez, J. G., primary, Hadij-ElHouati, A., additional, Sánchez-Postigo, A., additional, Leuermann, J., additional, Pereira-Martín, D., additional, Luque-González, J.M., additional, Cheben, P., additional, Xu, D.-X., additional, Schmid, Jens H., additional, Čtyroký, J., additional, Soler-Penades, J., additional, Nedeljkovic, M., additional, Mashanovich, G. Z., additional, Ortega-Moñux, A., additional, Halir, R., additional, and Molina-Fernández, Í., additional

Published
2019
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31. Suspended silicon mid-infrared waveguide devices with subwavelength grating metamaterial cladding

Author

Soler Penadés, J., Ortega-Moñux, A., Nedeljković, M., Wangüemert-Pérez, J. G., Halir, R., Khokhar, A. Z., Alonso-Ramos, C., Qu, Z., Molina-Fernández, I., Cheben, P., and Mashanovich, G. Z.

Subjects
Physics::Optics
Abstract

We present several fundamental photonic building blocks based on suspended silicon waveguides supported by a lateral cladding comprising subwavelength grating metamaterial. We discuss the design, fabrication, and characterization of waveguide bends, multimode interference devices and Mach-Zehnder interferometers for the 3715 - 3800 nm wavelength range, demonstrated for the first time in this platform. The waveguide propagation loss of 0.82 dB/cm is reported, some of the lowest loss yet achieved in silicon waveguides for this wavelength range. These results establish a direct path to ultimately extending the operational wavelength range of silicon wire waveguides to the entire transparency window of silicon.

Published
2016

32. High-efficiency single etch step surface grating couplers engineered by subwavelength structured metamaterials

Author

Benedikovic, D, Alonso-Ramos, C, Vivien, L, Cheben, P, Schmid, J, Wang, S, Xu, D-X, Lamontagne, B, Lapointe, J, Janz, S, Halir, R, Ortega-Moñux, A, Wangüemert-Pérez, J-G, Molina-Fernández, I, Fédéli, J-M, Dado, M, Centre de Nanosciences et de Nanotechnologies [Orsay] (C2N), Université Paris-Sud - Paris 11 (UP11)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), National Research Council of Canada (NRC), Universidad de Málaga [Málaga] = University of Málaga [Málaga], Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information (CEA-LETI), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Department of Telecommunications and Multimedia, University of Žilina, and European Project: 647342,H2020,ERC-2014-CoG,POPSTAR(2015)

Subjects
[SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.MAT]Engineering Sciences [physics]/Materials
Abstract

International audience; We report our recent developments of high-efficiency fiber-chip surface grating couplers engineered by subwavelength grating structuration. The intriguing technological concept of subwavelength grating index engineering provides extraordinary degree of freedom in designing and fabricating high-performance optical coupling interfaces for sub-micrometric silicon-on-insulator technology. We present an overview of various demonstrations of high-efficiency surface grating couplers, particularly develop for silicon photonics applications in the near-infrared spectral range (near 1.3 μm and 1.55 μm wavelengths) such as datacom and telecom optical interconnects.

Published
2016

33. Highly-Efficient Subwavelength Engineered Grating Couplers for Silicon-on-Insulator Waveguides

Author

Benedikovic, D, Alonso-Ramos, C, Cheben, P, Schmid, J, Wang, S, Xu, D-X, Halir, R, Ortega-Moñux, A, Vivien, L, Lapointe, J, Janz, S, Wangüemert-Pérez, J-G, Molina-Fernández, I, Fédéli, J-M, Dado, M, Centre de Nanosciences et de Nanotechnologies [Orsay] (C2N), Université Paris-Sud - Paris 11 (UP11)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), National Research Council of Canada (NRC), Departamento de Ingeniería de Comunicaciones, Universidad de Málaga [Málaga] = University of Málaga [Málaga], Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information (CEA-LETI), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Department of Telecommunications and Multimedia, University of Žilina, and European Project: 647342,H2020,ERC-2014-CoG,POPSTAR(2015)

Subjects
[SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.MAT]Engineering Sciences [physics]/Materials
Abstract

International audience; We present experimental results of efficient subwavelength index engineered surface grating couplers, developed in a standard 220-nm SOI substrate. Grating couplers are fabricated using a single full etch or a dual etch process (full etch and 70nm shallow etch). The measured efficiency of -2.2 dB, -2.5 dB, and -0.7 dB are reported for single-etch couplers without and with metal reflector in the near-IR wavelengths. We demonstrate a peak coupling efficiency of -1.3 dB for a novel and flexible dual-etch grating coupler with interleaved deep and shallow etched trenches.

Published
2016

34. Suspended silicon waveguides for long-wave infrared wavelengths

Author

Penadés, J. Soler, primary, Sánchez-Postigo, A., additional, Nedeljkovic, M., additional, Ortega-Moñux, A., additional, Wangüemert-Pérez, J. G., additional, Xu, Y., additional, Halir, R., additional, Qu, Z., additional, Khokhar, A. Z., additional, Osman, A., additional, Cao, W., additional, Littlejohns, C. G., additional, Cheben, P., additional, Molina-Fernández, I., additional, and Mashanovich, G. Z., additional

Published
2018
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35. Subwavelength Grating Metamaterial Engineering: A New Tool for Silicon Photonics

Author

Ortega-Moñux, A., primary, Luque-González, J. M., additional, Sánchez-Postigo, A., additional, Halir, R., additional, Wangüemert-Pérez, J. G., additional, Molina-Fernández, I., additional, Cheben, Pavel, additional, Schmid, Jens H., additional, Xu, Dan-Xia, additional, Soler-Penades, J., additional, Nedeljkovic, M., additional, Mashanovich, G. Z., additional, and Čtyroký, J., additional

Published
2018
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36. High-Efficiency Fiber-Chip Surface Grating Couplers

Author

Benedikovic, D, Alonso-Ramos, C, Vivien, L, Cheben, P, Schmid, J, Wang, S, Xu, D-X, Lamontagne, B, Lapointe, J, Janz, S, Halir, R, Ortega-Moñux, A, Wangüemert-Pérez, J-G, Molina-Fernández, I, Fédéli, J-M, Dado, M, Centre de Nanosciences et de Nanotechnologies [Orsay] (C2N), Université Paris-Sud - Paris 11 (UP11)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), National Research Council of Canada (NRC), Universidad de Málaga [Málaga] = University of Málaga [Málaga], Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information (CEA-LETI), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), University of Žilina, and European Project: 647342,H2020,ERC-2014-CoG,POPSTAR(2015)

Subjects
silicon-on-insulator, silicon photonics, Grating couplers, [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, Physics::Optics, refractive index engineering, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, subwavelength grating, [SPI.MAT]Engineering Sciences [physics]/Materials
Abstract

International audience; — We report our latest advances in development of high-efficiency fiber-chip surface grating couplers with refractive index engineered subwavelength structures. We present different experimental demonstrations of high-performance grating-coupled optical interfaces, developed on the standard 220-nm silicon-on-insulator technology in the near-infrared wavelengths.

Published
2016

37. Silicon subwavelength waveguiding devices

Author

Chang-Hasnain, Connie J., Faraon, Andrei, Zhou, Weimin, Molina-Fernández, I., Wangüemert-Pérez, J. G., Ortega-Moñux, A., Halir, Robert, de Oliva Rubio, J., Sánchez-Postigo, A., Luque-González, J. M., Hadij-Elhouati, Abdelfettah, Pereira-Martín, D., González-Andrade, D., Velasco, A. V., Herrero-Bermello, A., Schmid, Jens H., Cheben, Pavel, and Čtyroký, J.

Published
2020
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41. Subwavelength metastructures for dispersion engineering in planar waveguide devices

Author

Halir, Robert, additional, Ortega-Moñux, Alejandro, additional, Cheben, Pavel, additional, Maese-Novo, Alejandro, additional, Pérez-Galacho, Diego, additional, Alonso-Ramos, Carlos, additional, Molina-Fernández, Íñigo, additional, Wangüemert-Pérez, J. G., additional, Schmid, Jens H., additional, Xu, Dan-Xia, additional, and Janz, Siegfried, additional

Published
2014
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42. Wavelength independent multimode interference coupler

Author

Maese-Novo, A., primary, Halir, R., additional, Romero-García, S., additional, Pérez-Galacho, D., additional, Zavargo-Peche, L., additional, Ortega-Moñux, A., additional, Molina-Fernández, I., additional, Wangüemert-Pérez, J. G., additional, and Cheben, P., additional

Published
2013
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