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US 2013/0170783 A1Published application
Mach-zehnder having segmented drive signal electrodes
AssigneeInfinera Corporation
InventorsPeter W. Evans, Scott Corzine, Mehrdad Ziari, Charles H. Joyner
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Abstract
Consistent with the present disclosure, MZ drive signal electrodes may be provided relatively close to and parallel to one another, such that the underlying waveguide arms may also be provided close to and parallel to one another. As a result, common mode performance of an MZ modulator may be obtained. In one example, an electrode wiring configuration consistent with the present disclosure may permit a waveguide arm separation of 40 microns or less.
Claims16
An apparatus, comprising:
- a Mach-Zehnder (MZ) interferometer having first and second arms;
- a first drive electrode provided on a first portion of the first arm;
- a second drive electrode provided on a second portion of the first arm, the first and second drive electrodes being separated from one another by a gap over a third portion of the first arm;
- a third drive electrode provided on the second arm;
- a first contact electrode that provides a first voltage to the first and second drive electrodes;
- and
- a second contact electrode that provides a second voltage to the third drive electrode, a portion of the second contact electrode extending over the third portion of the first arm.
4 more elements
Dependencies are inferred from the claim text.