Patent ID: 6804057
Filing Date: 2004-10-12
Classification: G02B

Abstract:
An apparatus, comprising:a chromatic dispersion compensation module including a beam spatial orientation device to separate an optical signal into a first polarized light signal and a second polarized light signal, the second polarized light signal being the orthogonal polarization of the first polarized light signal; a wavelength-dependent delay path coupled to the beam spatial orientation device, wherein the wavelength-dependent delay path includes three or more tunable cascaded resonator cavities and each resonator cavity is tuned to a different center wavelength to produce a distortion of the optical signal due to variation in the chromatic dispersion across the passband that incurs a Q-penalty of less than one decibel; and a polarization rotator coupled to the wavelength-dependent delay path such that the first polarized light signal reflects into the wavelength-dependent delay path in substantially the opposite direction of the second polarized light signal.