Abstract
We report an on-chip high-speed visible-band electro-optic modulator that can operate over the full visible spectrum of 400–700 nm, with a record low V π ⋅ L of 0.48, 0.25, and 0.17 V ⋅ c m at red, green, and blue wavelengths of 630, 520, and 450 nm, respectively, and an operation bandwidth of > --> 20 G H z .
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