Optical Switching Device with Reconfigurable Channel Spacing
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United States of America Patent
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app pub date -
Apr 18, 2011
filing date -
Feb 15, 2008
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Abandoned
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Abstract
An optical switching device includes an array of liquid crystal macropixels, wherein each macropixel includes at least two liquid crystal subpixels. The subpixels may be controlled together to act as a single polarizing pixel, or independently to act as multiple polarizing pixels. When the switching device processes a WDM having a wide channel spacing, the subpixels are controlled together, and when the switching device processes a WDM having a narrow channel spacing, each subpixel is controlled independently.
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