Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials

9 pags., 5 figs. -- Open Access funded by Creative Commons Atribution Licence 4.0

Detalles Bibliográficos
Autores: Herrero-Bermello, A., Luque-González, José Manuel, Halir, Robert, Cheben, Pavel, Ortega-Moñux, Alejandro, Molina-Fernández, Iñigo, Velasco, Aitor V.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/196990
Acceso en línea:http://hdl.handle.net/10261/196990
Access Level:acceso abierto
Palabra clave:Zero-birefringence waveguides
Polarization independence
Anisotropy engineering
Sub-wavelength grating (SWG)
Silicon-on-insulator (SOI)
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spelling Zero-birefringence silicon waveguides based on tilted subwavelength metamaterialsHerrero-Bermello, A.Luque-González, José ManuelHalir, RobertCheben, PavelOrtega-Moñux, AlejandroMolina-Fernández, IñigoVelasco, Aitor V.Zero-birefringence waveguidesPolarization independenceAnisotropy engineeringSub-wavelength grating (SWG)Silicon-on-insulator (SOI)9 pags., 5 figs. -- Open Access funded by Creative Commons Atribution Licence 4.0Polarization independent silicon-on-insulator nanowires are highly sought after, due the inherent high birefringence of this material platform. State-of-the-art designs of non-birefringent waveguides include ridge waveguides and square nanowires, which either imply large dimensions, multiple etching steps, low fabrication tolerances or high wavelength dependence. In this work, we overcome all the aforementioned limitations through tilted subwavelength structures which provide anisotropy control of the resulting metamaterial. With a waveguide cross section of only 300 nm × 550 nm (height × width), the zerobirefringence point is obtained for an approximately 48◦-tilt of the subwavelength structure. Birefringence of the nominal design deteriorates by only 9.10−3 even in the presence of size deviations of ±10 nm. Moreover, birefringence is maintained under 6.10−3 in a 100-nm bandwidth around the central wavelength of 1550 nm. This innovative approach is readly adaptable to a wide range of waveguide sizes, while maintaining single-etch-step fabrication.Peer reviewedInstitute of Electrical and Electronics EngineersSCOAPHerrero-Bermello, A. [0000-0001-7842-5007]Luque-González, José Manuel [0000-0002-6838-8641]Halir, Robert [0000-0002-5560-3189]Ortega-Moñux, Alejandro [0000-0001-8313-6381]Molina-Fernández, I. [0000-0001-9596-4117]Velasco, Aitor V. [0000-0001-7729-8595]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]201920192019info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/196990reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://doi.org/10.1109/JPHOT.2019.2942973Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1969902026-05-22T06:33:51Z
dc.title.none.fl_str_mv Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
title Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
spellingShingle Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
Herrero-Bermello, A.
Zero-birefringence waveguides
Polarization independence
Anisotropy engineering
Sub-wavelength grating (SWG)
Silicon-on-insulator (SOI)
title_short Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
title_full Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
title_fullStr Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
title_full_unstemmed Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
title_sort Zero-birefringence silicon waveguides based on tilted subwavelength metamaterials
dc.creator.none.fl_str_mv Herrero-Bermello, A.
Luque-González, José Manuel
Halir, Robert
Cheben, Pavel
Ortega-Moñux, Alejandro
Molina-Fernández, Iñigo
Velasco, Aitor V.
author Herrero-Bermello, A.
author_facet Herrero-Bermello, A.
Luque-González, José Manuel
Halir, Robert
Cheben, Pavel
Ortega-Moñux, Alejandro
Molina-Fernández, Iñigo
Velasco, Aitor V.
author_role author
author2 Luque-González, José Manuel
Halir, Robert
Cheben, Pavel
Ortega-Moñux, Alejandro
Molina-Fernández, Iñigo
Velasco, Aitor V.
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv SCOAP
Herrero-Bermello, A. [0000-0001-7842-5007]
Luque-González, José Manuel [0000-0002-6838-8641]
Halir, Robert [0000-0002-5560-3189]
Ortega-Moñux, Alejandro [0000-0001-8313-6381]
Molina-Fernández, I. [0000-0001-9596-4117]
Velasco, Aitor V. [0000-0001-7729-8595]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Zero-birefringence waveguides
Polarization independence
Anisotropy engineering
Sub-wavelength grating (SWG)
Silicon-on-insulator (SOI)
topic Zero-birefringence waveguides
Polarization independence
Anisotropy engineering
Sub-wavelength grating (SWG)
Silicon-on-insulator (SOI)
description 9 pags., 5 figs. -- Open Access funded by Creative Commons Atribution Licence 4.0
publishDate 2019
dc.date.none.fl_str_mv 2019
2019
2019
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/196990
url http://hdl.handle.net/10261/196990
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://doi.org/10.1109/JPHOT.2019.2942973
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers
publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869416715312431104
score 15,81155

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