Bias controller Ultra Compact IQ Modulator 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. An IQ modulator consists of three different modulators:I, Q arms are intensity modulators, P arm is a phase modulator. The IQ modulator is typically applied to coherent transmission systems. Plugtech Precision Systems’ modulator bias controller is specially designed for IQ modulators to ensure a stable operation state in various operating environments. The controller injects a low frequency, low amplitude dither signal together with a 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 compensate bias voltage will be applied afterwards according to the previous measurements. In this way, the IQ modulator is ensured to work under a proper bias voltage.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Extinction ratio [Controll Performance /Typ cell literal MER is not a numeric statistic / I,Q arms:Peak and Null modes] | max:50 dB |
| CSO [Controll Performance; original labelled roles retained] | min:-55 dBc；typical:-65 dBc；max:-70 dBc |
| Stablization time [Controll 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; same published Typ cell, corresponding modes not specified here] | typical:0.1%V_π /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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