Abstract

By assembling polymer micro/nanowires, 3D wire structures for photonic integrations were fabricated, including a $2\times 2$ crossed structure, a $3\times 3$ crossed structure, and a parallelogram structure. Optical wave-guiding properties of the 3D wire structures were demonstrated with a measured insertion loss of $0.83\mathrm{dB}$, on average, at $650\mathrm{nm}$ 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.

© 2008 Optical Society of America

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