Multistage dispersion compensator using ring resonators.
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A compact, multichannel dispersion-compensating filter is demonstrated with D=-4200 ps/nm, a +/-5-ps group delay ripple, <3-dB loss, and a 4.5-GHz passband width out of a 12.5-GHz free spectral range. We show that multistage designs can achieve a substantial increase in passband width and peak dispersion for a given group-delay ripple compared with single-stage designs. The dispersion-compensation effectiveness was demonstrated in a 320-km, seven-channel nonlinear system simulation for OC48 signals.
author list (cited authors)
Madsen, C. K., Lenz, G., Bruce, A. J., Capuzzo, M. A., Gomez, L. T., Nielsen, T. N., & Brener, I.