Flexible add-drop multiplexer for optical telecommunication networks
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United States of America Patent
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Issued Date -
Oct 3, 2002
app pub date -
Apr 3, 2001
filing date -
Apr 3, 2001
priority date (Note) -
Abandoned
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Abstract
An add-drop multiplexer in a dense wavelength division multiplexing optical transmission system has one spatial switch between laser outputs and a fiber link transmit interface, and a second spatial switch between its receivers and a fiber link receive interface. The spatial switches allow the associations between received and transmitted data channels and the multiple wavelengths of the dense wavelengths division multiplexing system to be varied dynamically.
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