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Related Experiment Videos

Field-programmable logic devices with optical input-output.

T H Szymanski1, M Saint-Laurent, V Tyan

  • 1Communications Research Laboratory, McMaster University, Hamilton, L8S 4K1 Ontario, Canada. teds@ece.eng.mcmaster.ca

Applied Optics
|March 14, 2008
PubMed
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This study introduces a novel field-programmable logic device (FPLD) with optical I/O, enabling flexible, in-field functionality for optical computing applications. The device demonstrates high-density switching capabilities for advanced optical networks.

Area of Science:

  • Optoelectronics
  • Integrated Circuits
  • Computer Engineering

Background:

  • Field-Programmable Logic Devices (FPLDs) offer reconfigurable digital functionality.
  • Integrating optical Input/Output (I/O) with FPLDs enables high-bandwidth data processing.
  • Existing technologies face limitations in reconfigurability and optical bandwidth.

Purpose of the Study:

  • To develop and characterize a novel Field-Programmable Logic Device (FPLD) with integrated optical I/O.
  • To demonstrate the device's capability for high-density optical switching and signal processing.
  • To explore its potential applications in optical interconnects and network backbones.

Main Methods:

  • Fabrication of a 2 mm x 2 mm die implementing six dynamically programmable logic arrays (PLAs) using 0.5-microm CMOS-SEOD technology.

Related Experiment Videos

  • Verification of electronic data paths at 200 MHz, with optical tests pending.
  • Programming the device to implement a two-stage optical switching network with six 4x4 crossbar switches.

    • Main Results:

    • The device successfully implements a programmable optical switching network capable of over 190 million unique permutations.
    • Electronic data paths verified at 200 MHz.
    • Scaled device projections indicate potential for 4000 optical I/O and 1 Tbit/s bandwidth with 110,000 logic gates.

    Conclusions:

    • The developed optoelectronic FPLD with optical I/O is fully functional and offers significant advantages in programmability and bandwidth.
    • The device is well-suited for dense, reconfigurable crossbar switches and advanced optical network applications.
    • Potential applications include rearrangeable optical switches for wide-area-network backbones supporting terabits of traffic.