Journal
ADVANCED OPTICAL MATERIALS
Volume 10, Issue 11, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.202102561
Keywords
integrated optics devices; spoof surface plasmons polaritons; surface waves
Categories
Funding
- National Natural Science Foundation of China [61905207, 61935015, 62025504]
- Yunnan Fundamental Research Projects [202001AU07]
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The authors demonstrate a simple method to control the dispersion of spoof SPPs, enabling versatile on-chip THz meta-devices with various functionalities.
Spoof surface plasmon polaritons (SPPs) with strong subwavelength field confinement and enhancement offer a promising way for realizing integrated on-chip terahertz (THz) devices. How to find a simple way to control the dispersion of spoof SPPs and then achieve functional on-chip devices is thus highly desired. Here, the authors theoretically and experimentally demonstrate that such a method can provide sufficient design degrees of freedom to enable versatile THz spoof SPP metadevices. As a proof-of-concept demonstration, a series of on-chip meta-devices including the switch, the wavelength demultiplexer, and the splitters are presented. The proposed strategy paves a simple way toward the integrated on-chip THz devices with various functionalities.
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