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Array waveguide evanescent ribbon coupler for card-to-backplane optical interconnects.

Jame J Yang1, Angel S Flores, Michael R Wang

  • 1New Span Opto-Technology, Inc., Miami, Florida 33173, USA.

Optics Letters
|December 15, 2006
PubMed
Summary
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A novel flexible array waveguide coupler enables high-speed optical interconnects by eliminating problematic out-of-plane turns. This technology demonstrates 2.5GHz operation, paving the way for advanced computing systems.

Area of Science:

  • Photonics
  • Optical Engineering
  • Computer Engineering

Background:

  • Conventional card-to-backplane optical interconnects face limitations due to 90-degree out-of-plane turns and waveguide termination.
  • These limitations hinder the efficiency and scalability of optical interconnections in high-speed computing.

Purpose of the Study:

  • To present a flexible array waveguide evanescent coupler for card-to-backplane optical interconnects.
  • To overcome the limitations of traditional optical interconnection architectures.

Main Methods:

  • Demonstration of evanescent coupling between array waveguide ribbons.
  • Quantification of array waveguide coupling length against transfer efficiency.
  • Assessment of waveguide misalignment tolerance.

Related Experiment Videos

  • Testing of preliminary optical interconnects.

    • Main Results:

    • Successful demonstration of evanescent coupling in flexible array waveguides.
    • Characterization of coupling length, transfer efficiency, and misalignment tolerance.
    • Preliminary testing confirmed 2.5GHz operation of the coupler ribbons.

    Conclusions:

    • The proposed flexible array waveguide evanescent coupler effectively addresses limitations in card-to-backplane optical interconnects.
    • The demonstrated high-speed coupling validates the method's suitability for advanced computing systems.