Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 26, Issue 11, Pages 1092-1095Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2014.2315233
Keywords
Photonic crystal fiber; sensor; surface plasmon resonance (SPR); graphene
Funding
- Department of Science and Technology, India [SR/FTP/PS-086/2010]
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We propose a graphene-based photonic crystal fiber (PCF) sensor based on surface plasmon resonance. Graphene helps in prevention of oxidation of the silver layer used as a plasmonic active metal. The birefringent nature of the structure allows one component of the core guided mode to be more sensitive. Further, this structure does not need filling of the voids. The structural parameter of PCF and metal thickness has been optimized. The proposed sensor shows high amplitude sensitivity of 860 RIU-1 and has a resolution as high as 4 x 10(-5) RIU. This reported performance is higher than bimetallic (gold on silver) configuration.
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