By assembling polymer microanowires, 3D wire structures for photonic integrations were fabricated, including a 2 X 2 crossed structure, a 3 X 3 crossed structure, and a parallelogram structure. Optical wave-guiding properties of the 3D wire structures were demonstrated with a measured insertion loss of 0.83 dB, on average, at 650 nm wavelength. Light can be transmitted vertically from one wire to another. Coupling efficiency between adjacent wires is tunable by changing the cross angle and the center-to-center distance.
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机译：通过组装聚合物微/纳米线，制造了用于光子集成的3D线结构，包括2 X 2交叉结构，3 X 3交叉结构和平行四边形结构。通过在650 nm波长下测得的平均插入损耗为0.83 dB，证明了3D导线结构的光波导特性。光可以从一根电线垂直传输到另一根电线。相邻导线之间的耦合效率可通过更改交叉角度和中心距来调节。
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