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A 2×2 optical cross-connect switch based on dual-drive silicon microring-resonators with reduced timing jitter and driving voltage

As a single-ring resonator is used for an optical cross-connect (OXC) switch, a large jitter of 30 ps and a low extinction ratio may occur due to delay and crosstalk. We propose a dual-drive, three-ring OXC, which exhibits a jitter of 8 ps and an extinction ratio of 20 dB.