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Ultrahigh extinction on-chip amplitude modulators with broadband operation

Liu, Sheng; Cai, Hong; Derose, Christopher; Davids, Paul; Pomerene, Andrew; Starbuck, Andrew L.; Trotter, Douglas C.; Camacho, Ryan C.; Urayama, Junji; Lentine, Anthony L.

We experimentally demonstrate amplitude modulators (AMs) with >65 dB extinction across over a 160 nm spectral range. The output optical phase response is also characterized when the amplitude is modulated.