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Optical Engineering

Development of a general purpose configurable architecture for smart-pixel research
Author(s): Prosenjit Mal; Arvind Chokhani; V-Sathya Vagheeswar; Shankhar Raman Krishna Kumar; Jason Frederick Cantin; Fred Richard Beyette
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Paper Abstract

The ever-increasing demand for communication bandwidth and system interconnectivity has been a motivating factor behind the integration of optoelectronics devices and conventional data processing circuitry. Based on the smart-pixel architectures first developed in the last decade, the architecture presented here monolithically integrates optical sensors with silicon CMOS-based circuitry to produce a generically programmable smart-pixel array. Two generations of the architecture are described and compared. We have proposed a reconfigurable photonic information-processing chip based on photonic VLSI device technology. Integrating detectors into a SIMD array removes the bottleneck associated with fetching slices of data. By fabricating the detectors along with logic circuits in a bulk CMOS process, the cost is minimized. The modular nature of the array organization facilitates replication of the configurable architecture for smart-pixel research (CASPR) concept into large arrays without a significant increase in design overhead. Thus, the CASPR architecture can provide the maximum flexibility associated with a reconfigurable smart-pixel array. Finally, we implement two design iterations of the CASPR architecture and show how the architecture might be used in a page-oriented optical data processing application.

Paper Details

Date Published: 1 May 2004
PDF: 7 pages
Opt. Eng. 43(5) doi: 10.1117/1.1689333
Published in: Optical Engineering Volume 43, Issue 5
Show Author Affiliations
Prosenjit Mal, Univ. of Cincinnati (United States)
Arvind Chokhani, Univ. of Cincinnati (United States)
V-Sathya Vagheeswar, Univ. of Cincinnati (United States)
Shankhar Raman Krishna Kumar, Univ. of Cincinnati (United States)
Jason Frederick Cantin, Univ. of Wisconsin (United States)
Fred Richard Beyette, Univ. of Cincinnati (United States)


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