Optical switching network and network node and method of optical switching
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United States of America Patent
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Nov 9, 2004
Grant Date -
Apr 3, 2003
app pub date -
May 6, 2002
filing date -
Oct 29, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device, system and method are disclosed for optical communications using beams of light in which a solid state total internal reflection optical switching element is used to switch the optical pathways of optical communications signals inside a node of an optical network. The solid state total internal reflection optical switching element is used in a substantially planar waveguide assembly, and has electro-optically active material which responds to electrical fields greater than a switching electrical field to create a total internal reflection boundary that switches the optical pathway inside the switching element.
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