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Tamm plasmon polaritons in composite structures composed of the metal film and truncated photonic crystals |
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| Authors: | Guiqiang Du Liyong Cui Liwei Zhang Haitao Jiang |
| Affiliation: | 1. School of Space Science and Physics, Shandong University at Weihai, Weihai, 264209, China 3. Laboratory of Special Artificial Microstructure Materials and Technology, Shanghai, 200092, China 2. School of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, 454000, China 4. Pohl Institute of Solid State Physics, Tongji University, Shanghai, 200092, China |
| Abstract: | Tamm plasmon polaritons (TPPs) are studied theoretically and experimentally in heterostructures and sandwiched structures with the metallic film and truncated photonic crystals. Different from conventional surface plasmon polaritons, TPPs can be realized in both the transverse electric (TE) and transverse magnetic (TM) polarizations, and they can be excited from a free space. Because of nonreciprocal electromagnetic field distributions of TPPs, the structures possess strongly nonreciprocal absorption and reflection. Moreover, two tunneling peaks or a narrow transmission band can be realized in sandwiched structures for both polarizations due to the coupling effect between two TPPs. |
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