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Showing papers by "Roshanak Shafiiha published in 2008"

Proceedings Article•DOI•
Monitoring infrared light using a commercial variable optical attenuator subjected to defect engineering

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Andrew P. Knights1, Paul E. Jessop1, D.M. Bruce1, D. F. Logan1, B.J. Luff, D. Zheng, Roshanak Shafiiha, M. Asghari •
McMaster University1
07 Oct 2008
TL;DR: In this article, the fabrication of silicon-waveguide power monitors via the introduction of defects to commercially produced variable optical attenuators is demonstrated, and the devices show an effective quantum efficiency of ~1% for a tapped fraction of signal of 30%.
Abstract: The fabrication of silicon-waveguide power monitors via the introduction of defects to commercially produced variable optical attenuators is demonstrated. Devices show an effective quantum efficiency of ~1% for a tapped fraction of signal of 30%.