Bias controller Ultra High Precision MZM Bias Controller
PlugTech Precision Systems modulator bias controller is specially designed for MachZehnder modulators to ensure a stable operation state in various operating environments. Based on its fully digitized signal processing method, the controller can provide ultra stable performance. The controller injects a low frequency, low amplitude dither signal together with bias voltage into the modulator. It keeps reading the output from the modulator and determines the condition of the bias voltage and the related error. A new bias voltage will be applied afterwords according to the previous measurement. In this way, the modulator is ensured to work under proper bias voltage.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Extinction ratio [Control Performance /Typ cell literal MER is not a numeric statistic / Null mode] | max:50 dB |
| CSO [Control Performance; original labelled roles retained] | min:-55 dBc；typical:-65 dBc；max:-70 dBc |
| Stablization time [Control Performance; published pair is not a stated range or named modes] | typical:4/10 |
| Positive power voltage [Electrical] | min:+14.5 V；typical:+15 V；max:+15.5 V |
| Positive power current [Electrical] | min:20 mA；max:30 mA |
| Negative power voltage [Electrical] | min:-15.5 V；typical:-15 V；max:-14.5 V |
| Negative power current [Electrical] | min:2 mA；max:4 mA |
| Output voltage range [Electrical] | min:-9.57 V；max:+9.85 V |
| Output voltage precision [Electrical] | typical:346 µV |
| Dither amplitude [Electrical / NULL mode and PEAK mode] | typical:0.1%V_π |
| Dither amplitude [Electrical / Q+ mode and Q- mode] | typical:2%V_π |
| Input optical power [Optical] | min:-30 dBm；max:-5 dBm |
| Input wavelength [Optical] | min:780 nm；max:2000 nm |
Applications
Key Features
Datasheet
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Supplier Information
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