OPTICAL MODULATOR AND PACKAGE
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
Jul 19, 2024
filing date -
Jul 19, 2024
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Abstract
An optical modulator includes a waveguide. The waveguide includes a first optical coupling region, a first electrical coupling region, and a first plurality of regions. The first optical coupling region is doped with first dopants. The first electrical coupling region is doped with the first dopants. The first plurality of regions are doped with the first dopants and are sandwiched between the first optical coupling region and the first electrical coupling region. The first plurality of regions have respective decreasing doping concentrations as distances of the first plurality of regions increase from the first electrical coupling region. The first plurality of regions have respective decreasing heights as the distances of the first plurality of regions increase from the first electrical coupling region. A maximum doping concentration of the first plurality of regions is smaller than a doping concentration of the first electrical coupling region.
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