A push-pull silicon MZI switch with cascaded lightly and heavily doped phase shifters balances arm losses and achieves measured crosstalk of -33 to -44.2 dB with a single electrode pair.
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Ultralow-Crosstalk Silicon Electro-Optic Switch with Cascaded Phase Shifters for Loss Equivalence
A push-pull silicon MZI switch with cascaded lightly and heavily doped phase shifters balances arm losses and achieves measured crosstalk of -33 to -44.2 dB with a single electrode pair.