Photonics Research, Volume. 10, Issue 10, B14(2022)
Anisotropic Fermat’s principle for controlling hyperbolic van der Waals polaritons
Fig. 1. Schematic of a transformation relation. (a) The original space, which corresponds to the isotropic space
Fig. 2. Hyperbolic Luneburg lens with a collimating effect. (a), (d), (b), (e), (c), and (f), respectively, are the geometrical light behaviors, electromagnetic wave pattern [
Fig. 3. (a) Schematic of the 2D model; (b) schematic of the 3D waveguide model; (c) relation between the effective refractive index
Fig. 4. Thickness distribution
Fig. 5. Hyperbolic Maxwell’s fish-eye lens with the focusing effect. (a), (d), (b), (e), (c), and (f), respectively, are the geometrical light behaviors, the electromagnetic wave pattern [
Fig. 6. Polaritonic wave pattern [
Fig. 7. Real-part permittivities of
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Sicen Tao, Tao Hou, Yali Zeng, Guangwei Hu, Zixun Ge, Junke Liao, Shan Zhu, Tan Zhang, Cheng-Wei Qiu, Huanyang Chen. Anisotropic Fermat’s principle for controlling hyperbolic van der Waals polaritons[J]. Photonics Research, 2022, 10(10): B14
Special Issue: OPTICAL METASURFACES: FUNDAMENTALS AND APPLICATIONS
Received: May. 13, 2022
Accepted: Jul. 31, 2022
Published Online: Sep. 30, 2022
The Author Email: Cheng-Wei Qiu (chengwei.qiu@nus.edu.sg), Huanyang Chen (kenyon@xmu.edu.cn)