Mode-multiplexed waveguide sensor

Ahmed, R. and Rifat, A.A. and Yetisen, A.K. and Yun, S.H. and Khan, S. and Butt, H. (2016) Mode-multiplexed waveguide sensor. Journal of Electromagnetic Waves and Applications, 30 (4). pp. 444-455. ISSN 0920-5071

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Official URL: http://dx.doi.org/10.1080/09205071.2015.1117025

Abstract

Optical sensors enable quantification of analyte concentrations noninvasively without being affected from electromagnetic fields. The development of single-mode waveguides (WGs) is simple approach; however, limitations in the spatial distribution of the refractive index and the inability to sense multiple samples at the same time. Here, we demonstrate a multi-mode WG model and matrix inversion method (MIM) to improve spatial information in at least one dimension. This method is used to optimize and estimate three external stimulus properties in TE00, TE01 and TM00 multiplexed modes for a semitriangular ring resonator configuration. The multi-mode WG and MIM may have applications in the development of biosensors for multianalyte detection.

Item Type: Article
Uncontrolled Keywords: Multi-mode waveguides; Mode multiplexing; Directional couplers; Optical sensing; Sensors
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 14 Aug 2017 08:02
Last Modified: 14 Aug 2017 08:02
URI: http://eprints.um.edu.my/id/eprint/17700

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