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Publication Detail
FirstLight: Pluggable Optical Interconnect Technologies for Polymeric Electro-Optical Printed Circuit Boards in Data Centers
  • Publication Type:
    Journal article
  • Publication Sub Type:
  • Authors:
    Pitwon RCA, Wang K, Graham-Jones J, Papakonstantinou I, Baghsiahi H, Offrein B, Dangel R, Milward D, Selviah DR
  • Publication date:
  • Pagination:
    3316, 3329
  • Journal:
    Journal of Lightwave Technology
  • Volume:
  • Issue:
  • Status:
  • Print ISSN:
  • Keywords:
    Optical Planar Waveguides, Optoelectronic Devices, Optical Waveguides, Optical Polymers
The protocol data rate governing data storage devices will increase to over 12 Gb/s by 2013 thereby imposing unmanageable cost and performance burdens on future digital data storage systems. The resulting performance bottleneck can be substantially reduced by conveying high speed data optically instead of electronically. A novel active pluggable 82.5 Gb/s aggregate bit rate optical connector technology, the design and fabrication of a compact electro-optical printed circuit board (OPCB) to meet exacting specifications and a method for low cost, high precision, passive optical assembly are presented. A demonstration platform was constructed to assess the viability of embedded electro-optical midplane technology in such systems including the first ever demonstration of a pluggable active optical waveguide PCB connector. High speed optical data transfer at 10.3125 Gb/s was demonstrated through a complex polymer waveguide interconnect layer embedded into a 262 mm × 240 mm × 4.3 mm electro-optical midplane. Bit error rates (BER) of less than 10-12 and optical losses as low as 6 dB were demonstrated through 9 multimode polymer waveguides with an aggregate data bandwidth of 92.8125 Gb/s.
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