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Journals and Conferences
For high bit-rate dense wavelength-division multiplexed (DWDM) applications fiber grating dispersion for the transmitted adjacent channels is shown to be detrimental and ultimately leads to a penalty. We consider design criteria for fiber grating filters in DWDM systems using both Gaussian pulses and super-Gaussian pulses that approximate square pulses that… (More)
We demonstrate a tunable dispersion slope compensator using a linearly chirped fiber Bragg grating and a thin-film heater that provides a variable quadratic temperature gradient along the grating. We achieved 2-10-ps/nm/sup 2/ compensation over 3 nm suitable for 160-Gb/s return-to-zero signals.
Significant progress has been achieved in the manufacture of chirped fiber Bragg gratings for dispersion compensation. Iterative correction technique further improves their quality and enables consistent fabrication of gratings with unprecedented performance.
We propose a simple physical model that predicts spectral resonances of a class of microstructured optical waveguides consisting of high-index inclusions surrounding a low-index core. These resonances are largely determined by the geometry of individual high-index inclusions.