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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 893-896 |
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Akbari L, Abedi K, Jafari K. A BioSensor based on a Vertical coupled Tubular Resonator in subwavelength waveguide. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :893-896
URL: http://opsi.ir/article-1-1712-en.html
URL: http://opsi.ir/article-1-1712-en.html
1- Department of Electrical Engineering, Shahid Beheshti University
Abstract: (2070 Views)
In this paper, the performance of the coupler optic resonator is analyzed in a vertical scheme with a subwavelength slot waveguide for applications of bio-sensing. Due to a subwavelength-very thin wall and a several hundred nanometer gap between the resonator and the waveguide, which is an outstanding feature of this structure, a significant optical coupling with an extinction ratio of 111 dB and in bio-sensing application, the sensitivity is 463 nm / RIU, the resolution is 10-4 and FOM is 652.2. By considering the effect of varying the gap between the waveguide and the resonator, it is observed that the highest sensitivity and the maximum shift in the extinction ratio of 11.74 dB at 100 nm are obtained. The proposed structure can be used for integrated lab-on-chip photonic applications.
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