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    Fiber-optic nanorefractometer based on one-dimensional photonic-bandgap structures with two defects

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    Date
    2004
    Author
    Del Villar, Ignacio Upna
    Matías Maestro, Ignacio Upna
    Arregui San Martín, Francisco Javier Upna
    Version
    Acceso abierto / Sarbide irekia
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    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Impact
     
     
     
    10.1109/TNANO.2004.828549
     
     
     
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    Abstract
    A theoretical analysis of a fiber-optic photonic- bandgap (PBG)-based nanorefractometer is presented. Changes up to 11.2 dB in the optical output power in an index of refraction range of 1.7 with a sensitivity of 1.5 10 4 have been demonstrated. The design is based on a one-dimensional PBG structure with two defects, which originates two defect states inside the bandgap. These states corres ... [++]
    A theoretical analysis of a fiber-optic photonic- bandgap (PBG)-based nanorefractometer is presented. Changes up to 11.2 dB in the optical output power in an index of refraction range of 1.7 with a sensitivity of 1.5 10 4 have been demonstrated. The design is based on a one-dimensional PBG structure with two defects, which originates two defect states inside the bandgap. These states correspond to two localized modes in the defects. By selecting adequate parameters, the frequency of one of the localized modes can be fixed at the same time that its peak amplitude varies with the refractive index of the defect associated to the other localized mode. The refractive index of the defect associated to the localized mode that has been fixed in frequency remains constant. This enables a detection scheme based on a simple photodetector instead of an optical spectrum analyzer, as usual. The thickness of the defect whose refractive index varies determines the variation range of the transmitted power amplitude peak of the localized mode fixed at a concrete frequency. In addition, an analysis of the nonlinear dependence on the refractive index of the peak-transmitted power of the localized mode fixed at a concrete frequency is presented. [--]
    Subject
    Coupled-mode analysis, Electrostatic self-assembled (ESA), Gratings, Nanocavities, Nanomaterials, Optical-fiber transducers, Photonic bandgap (PBG)
     
    Publisher
    IEEE
    Published in
    IEEE Transactions on Nanotechnology, Vol. 3, 2, June 2004, pp. 293 - 299
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa Saila
     
    Publisher version
    https://doi.org/10.1109/TNANO.2004.828549
    URI
    https://hdl.handle.net/2454/28091
    Sponsorship
    This work was supported by Spanish Ministerio de Ciencia y Tecnologia and FEDER Research Grants CICYT-TIC 2003-00909 and CICYT-TIC 2001-0877-C02-02; Gobierno de Navarra and FPU MECD Grant.
    Appears in Collections
    • Artículos de revista - Aldizkari artikuluak [2947]
    • Artículos de revista DIEE - IEES Aldizkari artikuluak [346]
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