Patent ID: 11868021
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The method for manufacturing an optical modulator according to claim 1, wherein
the step of preparing the Mach-Zehnder modulator includes a step of preparing the Mach-Zehnder modulator including a first arm waveguide, a second arm waveguide, a first electrode, and a second electrode,
the first electrode is disposed on the first arm waveguide,
the second electrode is disposed on the second arm waveguide, and
the step of acquiring the voltage includes
a step of acquiring a voltage that is applied to the first electrode and in which a phase change amount of light propagating through the first arm waveguide has a predetermined amount, and
a step of acquiring a voltage that is applied to the second electrode and in which a phase change amount of light propagating through the second arm waveguide has a predetermined amount.