Transmission Characteristics of a Generalized Parallel Plate Dielectric Waveguide at THz Frequencies
YE Long-Fang1,2**, XU Rui-Min1, ZHANG Yong1,2, LIN Wei-Gan1
1Extra High Frequency Key Laboratory of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731 2National Key Laboratory of Monolithic Integrated Circuits and Modules, Nanjing 210016
Transmission Characteristics of a Generalized Parallel Plate Dielectric Waveguide at THz Frequencies
YE Long-Fang1,2**, XU Rui-Min1, ZHANG Yong1,2, LIN Wei-Gan1
1Extra High Frequency Key Laboratory of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731 2National Key Laboratory of Monolithic Integrated Circuits and Modules, Nanjing 210016
摘要A generalized parallel-plate dielectric waveguide (G-PPDW) is proposed as a new guiding medium for terahertz wave. A theoretical analysis of the transmission characteristics for the TE modes of this generalized structure is performed. Equations are presented for the field components, dispersion, power ratio, transmission loss and characteristic impedance as functions of the operating frequencies, dimensions and material constants. In the case of the lowest-order mode TE10, design curves covering frequencies and dimensions for the given material constants in the THz region are presented. The theoretical results of transmission characteristics obtained from these equations are verified by the finite-element method with a good agreement. The investigation results show that by selecting proper dimensions and dielectric materials, G-PPDW can be used to guide THz waves efficiently with high power confinement and low attenuation. These outstanding properties may open up a way to many important applications for THz integrated circuits and systems.
Abstract：A generalized parallel-plate dielectric waveguide (G-PPDW) is proposed as a new guiding medium for terahertz wave. A theoretical analysis of the transmission characteristics for the TE modes of this generalized structure is performed. Equations are presented for the field components, dispersion, power ratio, transmission loss and characteristic impedance as functions of the operating frequencies, dimensions and material constants. In the case of the lowest-order mode TE10, design curves covering frequencies and dimensions for the given material constants in the THz region are presented. The theoretical results of transmission characteristics obtained from these equations are verified by the finite-element method with a good agreement. The investigation results show that by selecting proper dimensions and dielectric materials, G-PPDW can be used to guide THz waves efficiently with high power confinement and low attenuation. These outstanding properties may open up a way to many important applications for THz integrated circuits and systems.
[1] Siegel P H 2002 IEEE Trans. Microw. Theory Tech. 50 910
[2] Schmuttenmaer A 2004 Chem. Rev. 104 1759
[3] Woolard D L et al 2005 Proc. IEEE 93 1722
[4] Mendis R 2006 Electron. Lett. 42 19
[5] Jamison S P et al 2000 Appl. Phys. Lett. 76 1987
[6] Han H et al 2002 Appl. Phys. Lett. 80 2634
[7] Wang K and Mittleman D M 2004 Nature 432 376
[8] Chen D and Chen H 2010 Opt. Express 18 3762
[9] Ye L F et al 2010 Opt. Express 18 21725
[10] Ye L F et al 2011 Opt. Express 19 18910
[11] Yeh C and Shimabukuro F 2008 The Essence of Dielectric Waveguides (Springer: Berlin)
[12] Yeh C et al 2005 Appl. Opt. 44 5937
2011, Vol. 28 
