Optical multiplexer, demultiplexer and methods
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United States of America Patent
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N/A
Issued Date -
Oct 24, 2002
app pub date -
Apr 23, 2001
filing date -
Apr 23, 2001
priority date (Note) -
Abandoned
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Abstract
Methods and devices are provided for optical demultiplexing and optical multiplexing. An optical wavelength demultiplexer adapted to perform wavelength demultiplexing of an input optical signal containing a plurality of wavelengths is provided. A tuneable filter in combination with a device with a required free spectral range results in a tuneable demultiplexer arrangement which eliminates the need to inventory large numbers of different demultiplexers. Similarly, tuneable lasers in combination with a device with a required free spectral range result in a tuneable multiplexer arrangement.
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