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Spatiotemporal Lineshape Tailoring
In article number 2203680, Tian Jiang and co‐workers demonstrate a novel reconfigurable metasurface supporting a symmetry‐protected bound state in the continuum in the electromagnetic induced transparency window. With active media embedded in the proposed metasurface, spatiotemporal lineshape tailoring with resonance mode conversion and ultrafast amplitude switching...
The bound state in the continuum (BIC) is a unique nonradiating eigenstate that possesses rich physics and has attracted intensive attention in the field of optics and photonics. Actively tailoring BICs in a designable fashion is highly desired for diversified photonic devices. However, to date, most BIC‐assisted works have been limited to showing passive control in a fixed structure configuration...
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