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High-Density 2 ,\times, 4 Channel Polymer Optical Waveguide With Graded-Index Circular Cores

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2 Author(s)
Takeyoshi, Y. ; Fac. of Sci. & Technol., Keio Univ., Yokohama, Japan ; Ishigure, T.

We propose to introduce a densely aligned 2times4 channel polymer parallel optical waveguide with graded-index circular cores for board-level optical interconnection, which is fabricated using the preform method. It is verified that this novel waveguide has sufficiently low loss (0.028 dB/cm at 850 nm and 0.061 dB/cm at 980 nm) and high bandwidth, due to the specific characteristic of the graded-index profile. This paper discusses insertion loss sensitivity to the displacement of the launched beam, various inter-channel crosstalk properties, and inter-channel skew, taking into account the real implementation of waveguides on printed circuit boards, especially for high-speed optical interconnects.

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Lightwave Technology, Journal of  (Volume:27 ,  Issue: 14 )