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Optical Engineering

Demonstration and performance of a recirculating sorter based on complementary metal oxide semiconductor logic and vertical cavity surface emitting lasers
Author(s): Fred Richard Beyette; Patrick James Stanko; Stewart A. Feld; Carl W. Wilmsen; Kent M. Geib; Kent D. Choquette
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Paper Abstract

The demonstration of an optoelectronic sorter unit is presented. This sorter is constructed using a recirculating architecture that passes data optically between two smart-pixel arrays. Each array is implemented using a hybrid combination of CMOS logic and vertical cavity surface emitting lasers (VCSELs). Since implementation of this system is intended as a tool for evaluating the technological issues associated with CMOS/VCSEL smart-pixel device, the system implementation is designed to minimize interconnect complexity while focusing on the smart-pixel design and analysis. A power budget analysis indicates that the photoreceivers require a minimum of ?130?W of optical input power, which leads to a VCSEL power requirement of '415 mW. The frequency response of the photoreceivers and logic circuit reveals that the photodetector limits the operation to ?3 MHz, which is an order of magnitude slower than the logic circuits frequency limit.

Paper Details

Date Published: 1 January 1998
PDF: 8 pages
Opt. Eng. 37(1) doi: 10.1117/1.601618
Published in: Optical Engineering Volume 37, Issue 1
Show Author Affiliations
Fred Richard Beyette, Univ. of Cincinnati (United States)
Patrick James Stanko, Colorado State Univ. (United States)
Stewart A. Feld, Colorado State Univ. (United States)
Carl W. Wilmsen, Colorado State Univ. (United States)
Kent M. Geib, Sandia National Labs. (United States)
Kent D. Choquette, Sandia National Labs. (United States)

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