Magazine Article

Free-Space Optical Interconnect Employing VCSEL Diodes

TBMG-11132

11/01/2009

Abstract
Content

Sensor signal processing is widely used on aircraft and spacecraft. The scheme employs multiple input/output nodes for data acquisition and CPU (central processing unit) nodes for data processing. To connect 110 nodes and CPU nodes, scalable interconnections such as backplanes are desired because the number of nodes depends on requirements of each mission. An optical backplane consisting of vertical-cavity surface-emitting lasers (VCSELs), VCSEL drivers, photodetectors, and transimpedance amplifiers is the preferred approach since it can handle several hundred megabits per second data throughput. Conventional electrical interconnects severely limit the performance of high-speed networks because of parasitic resistance and capacitance, which limit bandwidth and cause clock signals to skew. Moreover, they cause pin congestion and require large and bulky multi-pin connectors.

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Citation
"Free-Space Optical Interconnect Employing VCSEL Diodes," Mobility Engineering, November 1, 2009.
Additional Details
Publisher
Published
Nov 1, 2009
Product Code
TBMG-11132
Content Type
Magazine Article
Language
English