Spectrometer-Free Graphene Plasmonics Based Refractive Index Sensor
Keyword(s):
One Step
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We propose a spectrometer-free refractive index sensor based on a graphene plasmonic structure. The spectrometer-free feature of the device is realized thanks to the dynamic tunability of graphene’s chemical potential, through electrostatic biasing. The proposed sensor exhibits a 1566 nm/RIU sensitivity, a 250.6 RIU−1 figure of merit in the optical mode of operation and a 713.2 meV/RIU sensitivity, a 246.8 RIU−1 figure of merit in the electrical mode of operation. This performance outlines the optimized operation of this spectrometer-free sensor that simplifies its design and can bring terahertz sensing one step closer to its practical realization, with promising applications in biosensing and/or gas sensing.
2015 ◽
Vol 15
(11)
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pp. 6313-6317
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Keyword(s):
2017 ◽
Keyword(s):
2015 ◽
Vol 86
(2)
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pp. 025006
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Dual Fano Resonances Induced by Rectangle-based Plasmonic Resonator for Refractive Index Nano-sensor
2021 ◽
Vol 2125
(1)
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pp. 012005