Terahertz quantum cascade laser (QCL) sources represent a significant breakthrough in the generation of coherent terahertz radiation from compact, electrically pumped semiconductor devices. By ...
Figure 1 Schematic diagram of a nonlinear metasurface composed of asymmetric meta-atoms based on guided mode resonance and bound states in the continuum. Nonlinear optics is a branch of optics that ...
Nanowire (NW) lasers with the NW simultaneously acting as gain medium and optical cavity are attractive for miniaturized photonic integration systems, which have merits of ultracompact footprint, easy ...
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