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- Chinese Academy of SciencesCN55 papers
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7 papers · 2 filters
Nonreciprocal transmission of electromagnetic waves with nonlinear active plasmonic metasurfaces
Tianjing Guo, Christos Argyropoulos
Nonreciprocity is important for optical information processing, full-duplex communications, and protection of sensitive laser equipment from unwanted reflections. However, it is ve…
High-efficiency optical frequency mixing in an all-dielectric metasurface enabled by multiple bound states in the continuum
Tingting Liu, Meibao Qin, Feng Wu +1
We present nonlinear optical four-wave mixing in a silicon nanodisk dimer metasurface. Under the oblique incident plane waves, the designed metasurface exhibits a multi-resonant fe…
Strong coupling between excitons and quasi-Bound states in the continuum in the bulk transition metal dichalcogenides
Meibao Qin, Junyi Duan, Shuyuan Xiao +4
We investigate the strong coupling between the excitons and quasi-bound states in the continuum (BIC) resonance in a bulk WS metasurface. Here we employ the bulk WS to cons…
Phase-change metasurfaces for dynamic image display and information encryption
Tingting Liu, Zhou Han, Junyi Duan +1
Optical metasurfaces enable to engineer the electromagnetic space and control light propagation at an unprecedented level, offering a powerful tool to achieve modulation of light o…
Realization of broadband index-near-zero modes in nonreciprocal magneto-optical heterostructures
Yun Zhou, Panpan He, Sanshui Xiao +5
Epsilon-near-zero (ENZ) metamaterial with the relative permittivity approaching zero has been a hot research subject in the past decades. The wave in the ENZ region has infinite ph…
Robust enhancement of high-harmonic generation from all-dielectric metasurfaces enabled by polarization-insensitive bound states in the continuum
Shuyuan Xiao, Meibao Qin, Junyi Duan +1
The emerging all-dielectric platform exhibits high-quality () resonances governed by the physics of bound states in the continuum (BIC) that drives highly efficient nonlinear op…