iFROST: A CAD tool for modeling and simulation of optical interconnects
Whitlock, Brent Kevin
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Permalink
https://hdl.handle.net/2142/22618
Description
Title
iFROST: A CAD tool for modeling and simulation of optical interconnects
Author(s)
Whitlock, Brent Kevin
Issue Date
1996
Doctoral Committee Chair(s)
Kang, Sung Mo
Department of Study
Electrical and Computer Engineering
Discipline
Electrical and Computer Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Physics, Optics
Language
eng
Abstract
The design of high-performance, low-cost optical interconnects requires flexible, reliable, and computationally efficient computer-aided design tools. Optimizing component parameter specifications to achieve high manufacturing yield, long life, and low cost requires a large number of simulation runs. In addition, parallel optical interconnects require that statistical variation in the component parameters, timing skew, and crosstalk between the different channels of the interconnect be simulated. Due to the required simulation of statistical variation in component parameters, a time-efficient simulation approach such as the quasianalytical simulation methodology is vital. Furthermore, the adoption of a block-oriented simulation environment facilitates mixed-level simulation, which reduces the computational requirements of the bus simulation while achieving the required accuracy in the simulation of all bus components. The chosen component models must also be computationally efficient while retaining the required accuracy through inclusion of the important performance aspects of the modeled components. To achieve computational efficiency and correspondence between system performance and component specifications, the models should be behavioral in nature while maintaining the required accuracy. iFROST (illinois FibeR-optic and Optoelectronic Systems Toolkit) is a CAD tool with which this methodology is implemented.
In collaboration with the IBM T. J. Watson Research Center, a version of iFROST called iFROST-OETC (illinois FibeR-Optic Simulation Tool for the OptoElectronic Technology Consortium) has been developed for modeling and simulation of the OETC 16 Gbit/s, 32-channel parallel fiber optic bus. Simulation results indicate that while noise is not a limiting factor in the performance of the optical bus, timing skew and device uniformity across the channels of the bus are the most important factors for satisfactory performance. Experimental measurements confirm these results.
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