Silicone polymer waveguide bridge for Si to glass optical fibers

Kevin L. Kruse; Nicholas J. Riegel; Christopher T. Middlebrook

doi:10.1117/12.2079847

13 March 2015 Silicone polymer waveguide bridge for Si to glass optical fibers

Kevin L. Kruse, Nicholas J. Riegel, Christopher T. Middlebrook

Proceedings Volume 9368, Optical Interconnects XV; 936805 (2015) https://doi.org/10.1117/12.2079847
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

Multimode step index polymer waveguides achieve high-speed, (<10 Gb/s) low bit-error-rates for onboard and embedded circuit applications. Using several multimode waveguides in parallel enables overall capacity to reach beyond 100 Gb/s, but the intrinsic bandwidth limitations due to intermodal dispersion limit the data transmission rates within multimode waveguides. Single mode waveguides, where intermodal dispersion is not present, have the potential to further improve data transmission rates. Single mode waveguide size is significantly less than their multimode counterparts allowing for greater density of channels leading to higher bandwidth capacity per layer. Challenges in implementation of embedded single mode waveguides within printed circuit boards involves mass production fabrication techniques to create precision dimensional waveguides, precision alignment tolerances necessary to launch a mode, and effective coupling between adjoining waveguides and devices. An emerging need in which single mode waveguides can be utilized is providing low loss fan out techniques and coupling between on-chip transceiver devices containing Si waveguide structures to traditional single mode optical fiber. A polymer waveguide bridge for Si to glass optical fibers can be implemented using silicone polymers at 1310 nm. Fabricated and measured prototype devices with modeling and simulation analysis are reported for a 12 member 1-D tapered PWG. Recommendations and designs are generated with performance factors such as numerical aperture and alignment tolerances.

Citation Download Citation

Kevin L. Kruse, Nicholas J. Riegel, and Christopher T. Middlebrook "Silicone polymer waveguide bridge for Si to glass optical fibers", Proc. SPIE 9368, Optical Interconnects XV, 936805 (13 March 2015); https://doi.org/10.1117/12.2079847

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