Optical waveguides – Polarization without modulation
Reexamination Certificate
2005-08-09
2005-08-09
Boutsikaris, Leonidas (Department: 2872)
Optical waveguides
Polarization without modulation
C398S081000, C398S147000, C398S149000, C398S158000, C398S159000
Reexamination Certificate
active
06928201
ABSTRACT:
A method and apparatus for providing controllable second-order polarization mode dispersion for fiber optic transmission systems are provided. A section of fixed high birefringent optical fiber, a polarization controller, and a variable differential group delay module are provided. The polarization controller is connected to the optical fiber section, and the variable differential group delay module is connected to the polarization controller. The variable differential group delay module is controlled to vary the second-order polarization mode dispersion values at an output of the high birefringent optical fiber section.
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Boutsikaris Leonidas
Ishimaru Mikio
Sunrise Telecom Incorporated
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