Mach-Zehnder Interferometer Refractive Index Sensor Based on a Plasmonic Channel Waveguide
A Mach-Zehnder interferometer based on a plasmonic channel waveguide is proposed for refractive index sensing. The structure, with a small physical footprint of 20 × 120 μm2, achieved a high figure of merit of 294. The cut-off frequency behaviour in the plasmonic channel waveguide resulted in a flat...
Main Authors: | Da Eun Lee, Young Jin Lee, Eunso Shin, Soon-Hong Kwon |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2017-11-01
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Series: | Sensors |
Subjects: | |
Online Access: | https://www.mdpi.com/1424-8220/17/11/2584 |
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