Waveguides are ridges on the surface of a chip that can direct optical signals; polysilicon is a type of silicon that consists of tiny, distinct crystals of silicon clumped together.
波导是芯片表面上的脊,可以控制光信号;多晶硅是硅的一种形态,由许多微小的、不同的晶体硅簇在一起。
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At Princeton University, meanwhile, Sigurd Wagner has also developed organic optical devices, including an organic laser on a stretchable rubber surface.