Fang Wang, Long Zhang, Tao Ma, Xu Wang, Yu-Fang Liu, Chun-wang Ma. A symmetrical wedge-to-wedge THz hybrid SPPs waveguidewith low propagation loss [J]. Acta Physica Sinica, 2020, 69(7): 074205-1
- Acta Physica Sinica
- Vol. 69, Issue 7, 074205-1 (2020)
Fig. 1. Schematic diagram of the proposed WWTHSW: (a) 3D diagram; (b) cross-section.
![Modes analysis of the WWTHSW with different Hand g: (a) MC, (b) Lp, and (c) A;and normalized EM energy density distributions: (d) [H, g] = [10, 0.05] μm; (e) [H, g] = [40, 0.05] μm; (f) [H, g] = [90, 0.05] μm.](/richHtml/wlxb/2020/69/7/20191666/img_2.jpg)
Fig. 2. Modes analysis of the WWTHSW with different H and g : (a) MC , (b) L p, and (c) A ;and normalized EM energy density distributions: (d) [H , g ] = [10, 0.05] μm; (e) [H , g ] = [40, 0.05] μm; (f) [H , g ] = [90, 0.05] μm.
Fig. 3. Modes analysis of the WWTHSW with different α and θ , (a) L p, (b) A ; and normalized EM energy density distributions: (c) with different α at a fixed θ of 80°, (d) with different θ at a fixed α of 100°.
Fig. 4. Modes analysis of the WWTHSW with different d and h , (a) L p, (b) A , and (c) normalized EM energy density.
Fig. 5. Performance comparison of the WWTHSW, HTMWSPPs and HTBTSPPs wavguide: (a) cross-section views; (b) the relationship between A and L p; and (c) FOM with different parameters.
Fig. 6. Coupling characteristic of waveguides: (a) schematic diagram parallel waveguides; (b) L cversus the separation between the two waveguides; (c) the maximum transfer power (P max) as a function of distance D .
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