期刊
AIP ADVANCES
卷 5, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4907879
关键词
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资金
- Funding of Jiangsu Innovation Program for Graduate Education [KYLX14_0275, KYLX14_0276]
- Fundamental Research Funds for the Central Universities [NJ20140009]
- priority academic program development of Jiangsu Higher Education Institutions
In this work, we propose an optimized transition structure to realize smooth and high efficiency conversion from the guided wave supported by a conventional rectangular waveguide (CRW) to the domino plasmon polaritons (DPPs) supported by a domino plasmonic waveguide (DPW) and vice versa in the X-band (8.2GHz similar to 12.4GHz). This transition structure consists of two tapered CRWs connected by a gradient domino array with optimized gradient heights and lateral widths. Experimental results of the S-parameters show excellent agreement with the simulations and the optimization scheme can be readily extended to other bands. Furthermore, a domino plasmonic power divider is implemented to demonstrate the application of the transition structure in the integration of conventional microwave circuits with plasmonic devices. (C) 2015 Author(s).
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