Journal
AIP ADVANCES
Volume 5, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4907879
Keywords
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Funding
- 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
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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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