Variable dispersion compensator utilizing wavelength conversion

Optical waveguides – With optical coupler – Particular coupling function

Reexamination Certificate

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C385S122000, C385S123000, C398S081000, C398S158000, C398S159000, C398S160000, C359S326000, C359S333000, C359S341100, C359S337500

Reexamination Certificate

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07139453

ABSTRACT:
A dispersion compensator and method of dispersion compensation in which an input light is converted to a selected second wavelength, the converted light beam having the second wavelength is dispersion compensated in an amount dependent upon the second wavelength, and the compensated light beam having the second wavelength is converted to the first wavelength.

REFERENCES:
patent: 5768302 (1998-06-01), Wallace et al.
patent: 6115173 (2000-09-01), Tanaka et al.
patent: 6665113 (2003-12-01), Aso et al.
patent: 6751421 (2004-06-01), Ranka et al.
patent: 7061664 (2006-06-01), Aso et al.
patent: 2001/0024306 (2001-09-01), Okuno
patent: 2004/0258352 (2004-12-01), Takeyama et al.

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