Scientists Design Tiny Brake to Quicken Communications

Silicon device slows light 300x;
http://www.nytimes.com/2005/11/03/science/03light.html

This can for example be used to do electronic routing processing
for optical links, while holding the [optical] message
for a moment waiting for result and switches to be set.

Hey I can think of an application in a very fast scope...
Signal delay... for trigger?
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