Nanorainbow
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Physics
Nanorainbow: Expanding the optical spectrum at the smallest scale
Written by Light Publishing Center, Changchun Optical Research Institute, Precision Mechanical Physics, CAS Coherent broadband supercontinuum (CBS) generation with phase-matched second-order optical nonlinearity. a) Schematic illustration of CBS generation by DFG process in nanomaterials with deep subwavelength thickness (about 100 nm). The thickness is significantly thinner than the coherence length of the incident beam, allowing free movement of phase matching.…
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