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4 papers · 2 filters
Visualization of unidirectional optical waveguide using topological photonic crystals made of dielectric material
Yuting Yang, Yun Fei Xu, Tao Xu +4
The introduction of topology unravels a new chapter of physics. Topological systems provide unique edge/interfacial quantum states which are expected to contribute to the developme…
Simultaneous Realization of Coherent Perfect Absorber and Laser by Zero-Index Media with both Gain and Loss
Ping Bai, Kun Ding, Gang Wang +5
We investigate a unique type of zero-index medium with both gain and loss (ZIMGL), whose effective permittivity and permeability are purely imaginary and of opposite signs. We show…
Generation of arbitrary radially polarized array beams by modulating the correlation structure
Shijun Zhu, Jing Wang, Zhenhua Li
We demonstrate a convenient approach for simultaneously manipulating the amplitude and polarization of light beams by means of the modulation of the correlation structure. As an il…
Generalized Surface Polaritons and their quantum spin Hall effect
Yadong Xu, Jian-Hua Jiang, Huanyang Chen
Surface polaritons, e.g., surface plasmon polaritons, are invaluable tools in nanophotonics. However, considerable plasmon loss narrows the application regime of plasmonic devices.…