Journal
OPTICS EXPRESS
Volume 17, Issue 13, Pages 10606-10611Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.010606
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Funding
- MKE/IITA, Korea [2008-F-022-01]
- HYU [HYU-2008-T]
- Korea government(MEST) [R01-2008-000-1185202008]
- Seoul Science Fellowship
- Korea Evaluation Institute of Industrial Technology (KEIT) [KI001804] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [R11-2003-022-02002-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We propose a Bragg grating resonance sensor based on long-range surface plasmon-polaritons (LRSPP) excited on an asymmetric double-electrode waveguide structure. The proposed LRSPP waveguide sensor utilizes spectral resonance of the asymmetric double-electrode structure by adding a Bragg grating layer on the top surface of the metal slab. We have numerically estimated the bulk index resolution and thickness detection limit of a target biomolecule layer under 30 dB total propagation loss. The sub-mu m fluidic channel between the two metal layers always experiences a highly confined LRSPP mode excited by end-fire coupling with optical fibers, therefore the proposed LRSPP sensor platform can be applied to a variety of integrated sensor-chip scenarios. (C) 2009 Optical Society of America
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