Planar lightwave circuit interleaver
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United States of America Patent
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May 6, 2003
Grant Date -
Oct 31, 2002
app pub date -
Jun 25, 2001
filing date -
Mar 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Along with several few-channel and low-density wavelength division multiplexer/de-multiplexer, a novel planar lightwave circuit (PLC) interleaver is invented to achieve high-density wavelength division multiplexing and de-multiplexing in a wavelength division multiplexing fiber communication system. The invention uses a PLC as its basic structure and applies the principle that the product of the number of output optical waveguides and the channel spacing is equal to the free spectral range of the spectrum of any output optical waveguide to make a compact PLC interleaver.
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