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US 7,072,545 B2Granted
Dispersion compensator, method for manufacturing the same, and method for compensating wavelength dispersion
AssigneeFurukawa Electric Co., Ltd.
InventorsKazutaka Nara, Kazuhisa Kashihara
Life of this patent
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Abstract
A dispersion compensator includes at least one first optical waveguide, a first slab waveguide, an arrayed waveguide connected to the at least one first optical waveguide via the first slab waveguide, a second slab waveguide, at least one second optical waveguide connected to the arrayed waveguide via the second slab waveguide, and a phase distribution provider configured to provide a phase distribution to the arrayed waveguide.
Claims4
A dispersion compensation system comprising:
- a dispersion compensator comprising:
- at least one first optical waveguide;
- a first slab waveguide;
- an arrayed waveguide connected to said at least one first optical waveguide via said first slab waveguide, said arrayed waveguide comprising a plurality of channel waveguides each of which has a different length;
- a second slab waveguide;
- at least one second optical waveguide connected to said arrayed waveguide via said second slab waveguide;
- and
- phase distribution provider configured to provide a phase distribution to said arrayed waveguide;
- and
- at least one dispersion compensation optical fiber connected to said at least one first optical waveguide or said at least one second optical waveguide.
7 more elements
Dependencies are inferred from the claim text.