Multi-function optical performance monitor
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United States of America Patent
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Jun 27, 2006
Grant Date -
Oct 17, 2002
app pub date -
Apr 10, 2002
filing date -
Apr 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical monitor that generates a signal indicative of at least two optical properties of an input optical signal. The monitor utilizes a polarization dependent beam splitter having a signal input port, a mixing signal input, a first output port and a second output port. The signal input port receives an input optical signal having first and second orthogonal polarization components. The mixing signal input receives an optical mixing signal having a first and second polarization component parallel to the first and second polarization components of the optical input signal, respectively. The polarization dependent beam splitter generates first and second output signals on the first and second output ports, respectively. The output signals are the sum of the like polarization components of the input optical signal and the optical mixing signal.
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