8 March 2014 Pitch control of multi-channel graded-index core polymer waveguide for optical PCB using the Mosquito method
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Proceedings Volume 8991, Optical Interconnects XIV; 899119 (2014) https://doi.org/10.1117/12.2039105
Event: SPIE OPTO, 2014, San Francisco, California, United States
Abstract
We successfully fabricate multi-channel GI circular-core polymer waveguides with precisely controlled pitches utilizing the Mosquito method. The Mosquito method is a very simple method for fabricating GI-core polymer optical waveguides that utilizes a micro dispenser. In this method, a viscous core monomer is directly dispensed into a cladding monomer layer before UV cured, and circular cores are formed by curing both the core and cladding under a UV exposure. Here, it is a concern that a needle position accuracy influences on the interchannel pitch when parallel cores are fabricated by parallel repetitive scan of a single needle. However, we succeeded in controlling the pitch with the Mosquito method and then, GI-core waveguides with 250.7±5.2 μm, 126.7±2.6 μm and 61.7±3.4 μm are successfully fabricated for the pre-set values of 250 μm, 125 μm and 62.5 μm, respectively. Then, we demonstrate a 4 × 10 Gbps transmission over the fabricated GI-core waveguide by connecting the waveguide to an MMF ribbon with a 250-μm pitch, which is realized because the pitch of the fabricated waveguide is accurately controlled to 250 μm.
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Ryota Kinoshita, Daisuke Suganuma, Takaaki Ishigure, "Pitch control of multi-channel graded-index core polymer waveguide for optical PCB using the Mosquito method", Proc. SPIE 8991, Optical Interconnects XIV, 899119 (8 March 2014); doi: 10.1117/12.2039105; https://doi.org/10.1117/12.2039105
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