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We discuss some of our recent works in exploring topological and non-Hermitian effects in photonic structures. Specifically, we discuss the existence of topological structures in scattering matrix. We also show that the band structure of a photonic crystal slab can be designed to achieve optical differentiation.
Shanhui Fan
"Topological and non-Hermitian effects in photonic structures (Conference Presentation)", Proc. SPIE 10721, Active Photonic Platforms X, 1072111 (17 September 2018); https://doi.org/10.1117/12.2322430
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Shanhui Fan, "Topological and non-Hermitian effects in photonic structures (Conference Presentation)," Proc. SPIE 10721, Active Photonic Platforms X, 1072111 (17 September 2018); https://doi.org/10.1117/12.2322430