8 February 2008 Fully embedded board level optical interconnects: from point-to-point interconnection to optical bus architecture
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Abstract
This paper presents the latest progress toward fully embedded board level optical interconnects in the aspect of optical bus architecture design, waveguide fabrication and device integration. A bidirectional optical bus architecture is designed and can be fabricated by a one-step pattern transfer method, which can form a large cross section multimode waveguide array with 45° micro-mirrors by silicon hard molding method. The waveguide propagation loss is reduced to 0.09dB/cm and the coupling efficiency of the metal-coated reflecting mirror is experimentally measured to be 85%. The active optoelectronic devices, vertical surface emitter lasers and p-i-n photodiodes, are integrated with the mirror-ended waveguide array, and successfully demonstrate a 10 Gbps signal transmission over the embeddable optical layer.
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Xiaolong Wang, Xiaolong Wang, Ray T. Chen, Ray T. Chen, } "Fully embedded board level optical interconnects: from point-to-point interconnection to optical bus architecture", Proc. SPIE 6899, Photonics Packaging, Integration, and Interconnects VIII, 689903 (8 February 2008); doi: 10.1117/12.767815; https://doi.org/10.1117/12.767815
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