Abstract
The performance of metallic-hollow-core-waveguides (MHCWs) and multimode polymer waveguides (MMPWs) are numerically evaluated using ray-tracing method for complex board level optical interconnects sys- tems such as optical bus. Based on an ideal model neglecting the wave- guide surface roughness, we find that MHCWs will provide lower optical loss for small curvature bending waveguides, 45 deg micro-mirror couplers and optical beam splitters, while MMPWs shows a better optical transmis- sionfor straight waveguides. The conclusion is thatMHCWs will be a better choice than MMPWs for complex optical bus architectures in terms of per- formance, cost and stability. © 2012 Society of Photo-Optical Instrumentation Engineers
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