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Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
Published on: August 8, 2025
Multistage dispersion compensator using ring resonators
C K Madsen1, G Lenz, A J Bruce
1Bell Laboratories, Lucent Technologies, Room 1D148, 600 Mountain Avenue, Murray Hill, New Jersey 07974, USA.
Abstract:
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.
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