Flat dispersion frequency discriminator (FDFD)

Details Flat dispersion frequency discriminator (FDFD) Flat dispersion frequency discriminator (FDFD)

2006-05-30

2006-05-30

Kianni, Kaveh (Department: 2883)

Optical waveguides

Miscellaneous

C385S015000, C385S024000, C385S027000

Reexamination Certificate

active

07054538

ABSTRACT:
This invention provides a flat dispersion frequency discriminator (FDFD) capable of having a substantially flat dispersion with either a positive or negative dispersion along the spectrum region of the discriminator. This way, a FDFD may not cause substantial distortion of the intensity patter of its output to minimize the occurrence distortion due to overshooting or undershooting of the intensity pattern depending on the relative spectral alignment of the laser output relative to the filter transmission.

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Chang-Hee Lee et al., Transmission of Directly Modulated 2.5-Gb/s Signals Over 250-km of Nondispersion-Shifted Fiber by Using a Spectral Filtering Method, IEEE Photonics Technology Letters, Dec. 1996, 1725-1727, vol. 8, No. 12.

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