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Fabrication of polymeric large-core waveguides for optical interconnects using a rubber molding process

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4 Author(s)
Byung-Tak Lee ; Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea ; Min-Suk Kwon ; Jun-Bo Yoon ; Sang-Yung Shin

Polymeric large-core (47 μm×41 μm) optical waveguides for optical interconnects have been fabricated by using a rubber molding process. For low-cost low-loss large-core waveguides, our newly developed thick-photoresist patterning process is used for a master fabrication. Also a low-loss thermocurable polymer, perfluorocyclobutane (PFCB), is used in fabricating optical waveguides by rubber molding for the first time. The propagation loss is measured to be 0.4 dB/cm at the wavelength of 1.3 μm, and 0.7 dB/cm at the wavelength of 1.55 μm.

Published in:

Photonics Technology Letters, IEEE  (Volume:12 ,  Issue: 1 )