H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 14/02 (2006.01)
Patent
CA 2255346
This invention relates to an optical demultiplexor having a narrow band filter for separating a narrow band channel prior to utilizing one or more wide band filters for separating a plurality of channels into groups of channels. The groups of channels can then be further separated or demultiplexed by a plurality of narrow band filters. Advantageously, a plurality of closely spaced (i.e. 50 Ghz) channels can be separated using conventional dichroic filters.
Cearns Kevin J.
Si Calvin
Jds Fitel Inc.
Jds Uniphase Inc.
Teitelbaum Neil
LandOfFree
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