Low-loss and low-crosstalk graded-index polymer optical waveguide circuit fabricated using an imprint method

Yohei Yamashita; Takaaki Ishigure

doi:10.1117/12.2038877

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8 March 2014 Low-loss and low-crosstalk graded-index polymer optical waveguide circuit fabricated using an imprint method

Yohei Yamashita, Takaaki Ishigure

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Proceedings Volume 8989, Smart Photonic and Optoelectronic Integrated Circuits XVI; 89890V (2014) https://doi.org/10.1117/12.2038877
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

In this paper, we improve the fabrication procedure of imprint method to obtain low-loss and low-crosstalk GI-core waveguides: particularly focus on eliminating the bridged structure. We experimentally demonstrate that the GI-core waveguides fabricated adopting the modified imprinting method show lower loss and lower crosstalk than SI-core waveguides fabricated using the same material by the same method, even if a slight bridged structure remains. Furthermore, by applying this method to fabricate perpendicularly crossed waveguides, we also demonstrate that GI-core waveguides significantly reduce the loss due to the crossings.

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Yohei Yamashita and Takaaki Ishigure "Low-loss and low-crosstalk graded-index polymer optical waveguide circuit fabricated using an imprint method", Proc. SPIE 8989, Smart Photonic and Optoelectronic Integrated Circuits XVI, 89890V (8 March 2014); https://doi.org/10.1117/12.2038877

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