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Reconfigurable optical directed-logic circuits using microresonator-based optical switches.

Qianfan Xu1, Richard Soref

  • 1Department of Electrical and Computer Engineering, Rice University, 6100 Main Street, MS-366, Houston, Texas 77005, USA. qianfan@rice.edu

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|March 30, 2011
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Summary
This summary is machine-generated.

We developed a new reconfigurable optical directed logic architecture with improved performance. This on-chip system can be reconfigured to perform multiple logic functions using the same hardware.

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Area of Science:

  • Photonics
  • Optical Computing
  • Integrated Optics

Background:

  • Directed logic offers a novel approach to optical computing.
  • Previous architectures had limitations that hindered large-scale integration.

Purpose of the Study:

  • To present an improved reconfigurable optical directed logic architecture.
  • To propose and analyze on-chip, waveguided, large-scale-integrated, cellular optical directed logic fabrics.

Main Methods:

  • Design and theoretical analysis of a novel optical directed logic architecture.
  • Simulation and evaluation of integrated optical switch fabrics.
  • Demonstration of reconfigurability for diverse logic functions.

Main Results:

  • The proposed architecture offers significant improvements over prior directed logic designs.
  • Specific embodiments of cellular optical directed logic fabrics are presented.
  • The same switch fabric is shown to be reconfigurable for multiple logic functions.

Conclusions:

  • The developed architecture enables efficient and versatile optical logic operations.
  • On-chip integration of optical directed logic is feasible and advantageous.
  • Reconfigurability is a key feature for scalable optical computing systems.