Importance

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Abstract

A digital-to-analog optical modulator including a first waveguide arm configured to receive a light at a first end and to output a modulated light at a second end, and a first plurality of phase shifter segments, two segments from the first plurality of phase shifter segments having the same length and optically coupled to the first waveguide arm configured to generate the modulated light in response to a digital electrical drive signal. A digital-to-analog optical modulator including a first waveguide arm comprising a first end and a second end, a first plurality of phase shifter segments optically coupled to the first waveguide arm, at least two of the first plurality of phase shifter segments are the same length, and a second waveguide arm optically coupled to the first waveguide arm at the first end and the second end.

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First Claim