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5 papers · 2 filters
Phase-change nonlocal metasurfaces for dynamic wavefront manipulation
Tingting Liu, Dandan Zhang, Wenxing Liu +5
Recent advances in nonlocal metasurfaces have enabled unprecedented success in shaping the wavefront of light with spectral selectivity, offering new solutions for many emerging na…
Hybrid Graphene-Plasmon Gratings
Tianjing Guo, Christos Argyropoulos
Graphene can support surface plasmons with higher confinement, lower propagation loss, and substantially more tunable response compared to usual metal-based plasmonic structures. I…
Enhanced sum-frequency generation from etchless lithium niobate empowered by dual quasi-bound states in the continuum
Siqi Feng, Tingting Liu, Wenya Chen +2
The miniaturization of nonlinear light sources is central to the integrated photonic platform, driving a quest for high-efficiency frequency generation and mixing at the nanoscale.…
Enhancing Faraday and Kerr rotations based on toroidal dipole mode in an all-dielectric magneto-optical metasurface
Qin Tang, Dandan Zhang, Tingting Liu +5
The magneto-optical Faraday and Kerr effects are widely used in modern optical devices. In this letter, we propose an all-dielectric metasurface composed of perforated magneto-opti…
Polarization-independent second-order photonic topological corner states
Linlin Lei, Shuyuan Xiao, Wenxing Liu +3
Recently, much attention has been paid to second-order photonic topological insulators (SPTIs), because of their support for highly localized corner states with excellent robustnes…