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Title: Tunable hybridization induced transparency for efficient terahertz sensing
Authors: Han, Zhanghua
Soehartono, Alana Mauluidy
Gu, Bobo
Wei, Xunbin
Yong, Ken-Tye
Shi, Yuechun
Keywords: Hybridization Induced Transparency
Terahertz Sensing
Engineering::Electrical and electronic engineering
Issue Date: 2019
Source: Han, Z., Soehartono, A. M., Gu, B., Wei, X., Yong, K.-T., & Shi, Y. (2019). Tunable hybridization induced transparency for efficient terahertz sensing. Optics Express, 27(6), 9032-9039. doi:10.1364/OE.27.009032
Series/Report no.: Optics Express
Abstract: Hybridization induced transparency (HIT) resulting from the coupling between the material absorption resonance and the artificial structure (metamaterial) resonance provides an effective means of enhancing the sensitivity in the terahertz spectroscopic technique-based sensing applications. However, the application of this method is limited by the versatility to the samples with different volumes, because the samples usually have a refractive index larger than unity and their presence with different thicknesses will lead to a shift of the structure resonance, mismatching the material absorption. In this work, we demonstrate that by using InSb coupled rod structures, whose electromagnetic response in the terahertz band can be easily controlled by using ambient parameters like the temperature or magnetic field, the HIT effect can be easily tuned so that without the needs to change the rod geometry, one can realize efficient terahertz sensing with different sample thickness.
ISSN: 1094-4087
DOI: 10.1364/OE.27.009032
Schools: School of Electrical and Electronic Engineering 
Rights: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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