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Experimental study of subwavelength grating bimodal waveguides as ultrasensitive interferometric sensors

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Experimental study of subwavelength grating bimodal waveguides as ultrasensitive interferometric sensors

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dc.contributor.author Torrijos-Morán, Luis es_ES
dc.contributor.author Griol Barres, Amadeu es_ES
dc.contributor.author García-Rupérez, Jaime es_ES
dc.date.accessioned 2020-04-28T06:02:13Z
dc.date.available 2020-04-28T06:02:13Z
dc.date.issued 2019-10-01 es_ES
dc.identifier.issn 0146-9592 es_ES
dc.identifier.uri http://hdl.handle.net/10251/141647
dc.description.abstract [EN] Over the recent years, subwavelength grating (SWG) structures have increasingly attracted attention in the area of evanescent-field photonic sensors. In this Letter, for the first time to the best of our knowledge, we demonstrate experimentally the real-time refractive index (RI) sensing using the SWG bimodal interferometric structures. Two different configurations are considered to compare the effect of the nonlinear phase shift, obtained between the two first transverse electromagnetic propagating modes, in the measured bulk sensitivity. Very high experimental values up to 2270 nm/RIU are reached, which perfectly match the numerical simulations and significantly enhance other existing SWG and spectralbased sensors. By measuring the spectral shift, the obtained experimental sensitivity does not depend on the sensor length. As a result, a highly sensitive and compact singlechannel interferometer is experimentally validated for refractive index sensing, thus opening new paths in the field of optical integrated sensors. es_ES
dc.description.sponsorship European Commission (PHC-634013 PHOCNOSIS project); Spanish Government (TEC2015-63838-C3-1-R-OPTONANOSENS project); Universitat Politecnica de Valencia (grant PAID 01-18). es_ES
dc.language Inglés es_ES
dc.publisher The Optical Society es_ES
dc.relation.ispartof Optics Letters es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Subwavelength structures es_ES
dc.subject Bimodal waveguides es_ES
dc.subject Interferometric devices es_ES
dc.subject Integrated refractive index sensors es_ES
dc.subject.classification TEORIA DE LA SEÑAL Y COMUNICACIONES es_ES
dc.title Experimental study of subwavelength grating bimodal waveguides as ultrasensitive interferometric sensors es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1364/OL.44.004702 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/634013/EU/Advanced nanophotonic point-of-care analysis device for fast and early diagnosis of cardiovascular diseases/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UPV//PAID-01-18/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//TEC2015-63838-C3-1-R/ES/DETECCION DE TOXINAS Y AGENTES PATOGENOS MEDIANTE BIOSENSORES OPTICOS NANOMETRICOS PARA AMENAZAS NBQ/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario de Tecnología Nanofotónica - Institut Universitari de Tecnologia Nanofotònica es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Comunicaciones - Departament de Comunicacions es_ES
dc.description.bibliographicCitation Torrijos-Morán, L.; Griol Barres, A.; García-Rupérez, J. (2019). Experimental study of subwavelength grating bimodal waveguides as ultrasensitive interferometric sensors. Optics Letters. 44(19):4702-4705. https://doi.org/10.1364/OL.44.004702 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1364/OL.44.004702 es_ES
dc.description.upvformatpinicio 4702 es_ES
dc.description.upvformatpfin 4705 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 44 es_ES
dc.description.issue 19 es_ES
dc.relation.pasarela S\393546 es_ES
dc.contributor.funder European Commission es_ES
dc.contributor.funder Universitat Politècnica de València es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
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