journal article·2015-03Open access

Plasmonics: Ultrabroadband Plasmonic Absorber for Terahertz Waves (Advanced Optical Materials 3/2015)

Yong Zhi Cheng, Withawat Withayachumnankul, Aditi Upadhyay, Daniel Headland, Yan Nie, Rong Zhou Gong, Madhu Bhaskaran, Sharath Sriram, Derek Abbott

Advanced Optical Materials· Volume 3· Issue 3

Abstract

An etched, doped, silicon wafer forming an array of crosses exhibits near-perfect absorption in the terahertz spectral range. On page 376, W. Withayachumnankul, S. Sriram, and co-workers show how a bandwidth of 90% is enabled by two low-Q resonance modes supported by plasmonic cavities. Such efficient broadband absorption will enhance imaging and communications applications at terahertz frequencies.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Photonic and Optical Devices · Plasmonic and Surface Plasmon Research

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Affiliations

School of Electrical & Electronic Engineering The University of Adelaide Adelaide South Australia 5005 Australia

School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan 430074 China

Functional Materials and Microsystems Research Group RMIT University Melbourne Victoria 3001 Australia

References

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