Integrated Mach–Zehnder interferometer based on ARROW structures for biosensor applications

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 2003 Spain English Publisher:Elsevier BVJournal:Sensors and Actuators B: Chemical, volume 92, pages 151-158 (issn: 0925-4005,

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Authors: Prieto, Francisco; Sepúlveda, Borja; Calle Martín, Ana; Llobera, Andreu; Domínguez Horna, Carlos; Lechuga, Laura M.;

doi: 10.1016/s0925-4005(03)00257-0

handle: 10261/31277

Integrated Mach–Zehnder interferometer based on ARROW structures for biosensor applications

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Abstract

The theoretical design, fabrication and characterisation of an evanescent field integrated optical (IO) sensor based on a rib anti-resonant reflecting optical waveguide (ARROW) structure are presented. The optical waveguides are designed to verify two conditions: mono-mode behaviour and high surface sensitivity. The sensor system is fabricated with ‘silicon microelectronics technology’ and it has been tested as a refractometer with glucose solutions of different refractive indices. The feasibility of applying the sensor for immunosensing is shown with antibody/antigen binding experiments.

This work was supported by the Comisio´n Interministerial de Ciencia y Tecnología (projects TIC97-0594-C04-01 and AMB98-1048-C04-02) and by the Comunidad Autónoma de Madrid (project CAM-07M/0051/1999).

8 páginas, 10 figuras.

Peer reviewed

Country

Spain

Related Organizations

Spanish National Research Council
Spain
Centro Nacional de Microelectrónica
Spain

Keywords

Mach–Zehnder interferometer, Silicon technology, ARROW, Evanescent field sensors

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