Method and apparatus for switching optical wavelengths
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United States of America Patent
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Aug 27, 2013
Grant Date -
Sep 25, 2008
app pub date -
Mar 11, 2008
filing date -
Mar 13, 2007
priority date (Note) -
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Abstract
An example embodiment of the present invention is a non-blocking wavelength switching architecture that enables graceful scaling of a network wavelength switching node from small to large fiber counts using fixed size bidirectional 1×N Wavelength Selective Switches (WSS). The architecture uses an intermediate broadcast and select layer implemented using optical splitters and WSSs to eliminate wavelength blocking.
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