Hitless errorless trimmable dynamic optical add/drop multiplexer devices
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United States of America Patent
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May 22, 2007
Issued Date -
N/A
app pub date -
Apr 7, 2005
filing date -
Mar 12, 2001
priority date (Note) -
Expired
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Abstract
The present invention is generally directed to integrated optical add/drop multiplexer devices in which light of a specific wavelength (or specific wavelengths) can be added to or dropped from a main fiber optic line. An actuation mechanism (e.g., heat) is used to tune and/or trim the devices. Some proposed architectures provide for tuning of the adding and dropping of channels in a hitless manner, a manner that is non-disruptive to other wavelength channels.
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