Apparatus and method for compensation of chromatic dispersion in optical fibers
OwnerYochay Danzigerinventor
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Abstract
A dispersion compensation device uses at least two chromatic dispersion compensation fibers to compensate for chromatic dispersion present in an optical communication system. Two dispersion orders can be corrected using appropriate lengths of two serially coupled compensation fibers having different dispersion characteristics. The device can compensate for N additional orders of dispersion by using N additional compensation fibers with unique dispersion characteristics. The device can be coupled directly to a transmission fiber.
Claims2
A chromatic dispersion compensation module comprising:
- a first chromatic dispersion compensation fiber comprising a first end and a second end;
- a second chromatic dispersion compensation fiber comprising a first end and a second end, said first end of said second chromatic dispersion compensation fiber optically coupled to said second end of said first chromatic dispersion compensation fiber;
- and
- a first transmission fiber optically coupled to said first end of said first chromatic dispersion compensation fiber,
- wherein light entering said first chromatic dispersion compensation fiber from said first transmission fiber is chromatic dispersion compensated by said first chromatic dispersion compensation fiber, and
- wherein light entering said second chromatic dispersion compensation fiber from said first chromatic dispersion compensation fiber is further dispersion compensated by said second chromatic dispersion compensation fiber.
A chromatic dispersion compensation module comprising:
- a plurality of chromatic dispersion compensation fibers each having a first end and a second end and each having a plurality of dispersion orders,
- wherein the plurality of dispersion orders is different for each of said chromatic dispersion compensation fibers,
- wherein each fiber of said plurality of chromatic dispersion compensation fibers is optically coupled to at least one other of said plurality of chromatic dispersion compensation fibers and
- whereby the effect on an optical signal of a plurality of dispersion orders is modified.
Dependencies are inferred from the claim text.