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Título : [INVITED] Subwavelength structures for silicon photonics biosensing
Autor : Wangüemert-Pérez, J. Gonzalo
Hadij-ElHouati, Abdelfettah
Sánchez-Postigo, Alejandro
Leuermann, Jonas
Xu, Dan-Xia
Cheben, Pavel
Ortega-Moñux, Alejandro
Halir, Robert
Molina-Fernández, Íñigo
Filiación: [Wangüemert-Pérez,JG; Hadij-ElHouati,A; Sánchez-Postigo,A; Ortega-Moñux,A; Halir,R; Molina-Fernández,I] Departamento de Ingeniería de Comunicaciones, ETSI Telecomunicación, Universidad de Málaga, Málaga, Spain. [Halir,R; Molina-Fernández,I] Bionand Center for Nanomedicine and Biotechnology, Málaga, Spain. [Xu,DX] National Research Council Canada, Ottawa, Ontario, Canada.
Palabras clave : Subwavelength waveguides
Silicon photonics
Coherent multi-port sensing architecture
MeSH: Medical Subject Headings::Analytical, Diagnostic and Therapeutic Techniques and Equipment::Investigative Techniques::Molecular Probe Techniques::Biosensing Techniques
Medical Subject Headings::Chemicals and Drugs::Inorganic Chemicals::Elements::Metalloids::Silicon
Medical Subject Headings::Health Care::Health Services Administration::Patient Care Management::Point-of-Care Systems
Medical Subject Headings::Phenomena and Processes::Physical Phenomena::Magnetic Phenomena::Electromagnetic Phenomena::Electromagnetic Radiation::Light::Photons
Medical Subject Headings::Diseases::Skin and Connective Tissue Diseases::Skin Diseases::Pigmentation Disorders
Medical Subject Headings::Diseases::Skin and Connective Tissue Diseases::Skin Diseases::Skin Abnormalities
Fecha de publicación : 23-Aug-2018
Editorial : Elsevier Ltd.
Cita Bibliográfica: Wangüemert-Pérez JG, Hadij-ElHouati A, Sánchez-Postigo A, Leuermann J, Xu D-X, Cheben P, et al. [INVITED] Subwavelength structures for silicon photonics biosensing. Optics & Laser Technology. 2019;109:437–448.
Abstract: Silicon photonic biosensors hold the potential for highly accurate, yet low cost point-of-care devices. Maximizing the sensitivity of the sensing chips while reducing the complexity and cost of the read-out system is pivotal to realize this potential. Here we present an extensive analysis, both from a practical and a theoretical perspective, of current biosensors, and analyze how subwavelength structures can be exploited to enhance their sensitivity. This study is not restricted just to the near-infrared band as we also determine the sensing capabilities of the suspended silicon waveguides with subwavelength metamaterial cladding working in the mid-infrared range. These waveguides have been recently proposed to cover the full transparency window of silicon (λ < 8.5 μm), where the fingerprint spectral region of many molecules takes place and so a plethora of evanescent field absorption-based applications will be developed in the near future.
Versión del editor :
DOI: 10.1016/j.optlastec.2018.07.071
ISSN : 0030-3992 (Print)
Appears in Collections:01- Artículos - BIONAND - Centro Andaluz de Nanomedicina y Biotecnología

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