Method for determining a required adaption of a bias of an electro-optic modulator
AssigneeAdtran Networks SE
InventorsMichael Eiselt, Pablo Castro Ayala
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Abstract
Provided is a method for determining a required adaption of a bias of an electro-optic modulator. The electro-optic modulator includes an input waveguide that is split into two paths. The two paths are then recombined into an output waveguide. The method includes the steps of recording a modulation voltage applied to the electro-optic modulator over a particular amount of time; recording a power at an output of the electro-optic modulator in response to the modulation voltage over the particular amount of time; correlating the recorded modulation voltage and the recorded power; and determining the required adaption of the bias based on the correlation between the recorded modulation voltage and the recorded power.
Claims10
A method for determining a required adaption of a bias of an electro-optic modulator, wherein the electro-optic modulator comprises an input waveguide that is split into two paths, wherein the two paths are then recombined into an output waveguide, and wherein the method comprises the steps of:
- recording a modulation voltage applied to the electro-optic modulator over a particular amount of time;
- recording a power at an output of the electro-optic modulator in response to the modulation voltage over the particular amount of time;
- correlating the recorded modulation voltage and the recorded power;
- and
- determining the required adaption of the bias based on the correlation between the recorded modulation voltage and the recorded power, wherein
- the step of recording the modulation voltage includes gathering values of the modulation voltage over the particular amount of time;
- the step of recording the output power includes gathering values of the output power over the particular amount of time;
- and
- the step of correlating the recorded modulation voltage and the recorded power includes determining a relation between the gathered values of the modulation voltage and the gathered values of the output power.
A system for determining a required adaption of a bias of an electro-optic modulator, wherein the electro-optic modulator comprises an input waveguide that is split into two paths, wherein the two paths are then recombined into an output waveguide, and wherein the system comprises:
- a first recording device that is configured to record a modulation voltage applied to the electro-optic modulator over a particular amount of time, wherein the recording of the modulation voltage includes gathering values of the modulation voltage over the particular amount of time;
- a second recording device that is configured to record a power at an output of the electro-optic modulator in response to the modulation voltage over the particular amount of time, wherein the recording of the power at the output of the electro-optic modulator includes gathering values of the output power over the particular amount of time;
- and
- a correlating device that is configured to correlate the recorded modulation voltage and the recorded power, wherein the correlation of the recorded modulation voltage and the recorded power includes determining a relation between the gathered values of the modulation voltage and the gathered values of the output power;
- and
- a determining device that is configured to determine a required adaption of the bias based on the correlation between the recorded modulation voltage and the recorded power.
Dependencies are inferred from the claim text.