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偏壓控制器 Ultra High Precision MZM Bias Controller
    發(fā)布時(shí)間: 2016-06-20 23:23    

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.

偏壓控制器 Ultra High Precision MZM Bias Controller
Description
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. 

Features
  • Bias voltage control on Peak/Null/Q+/Q-
  • Bias voltage control on arbitrary point
  • Ultra precise control:
    50dB maximum extinction ratio on Null mode
    ±0.5° accuracy on Q+ and Q- modes
  • Low dither amplitude: 0.1 % Vπ at NULL mode and PEAK mode 2 % Vπ at Q+ mode and Q- mode
  • High stability: with fully digital implementation
  • Easy to use:
    Manual operation with mini jumper
    Flexible OEM operations through UART

Application 
  • LiNbO3 and other MZ modulations
  • Digital NRZ, RZ
  • Pulse applications
  • Brillouin scattering system and other optical sensors
  • CATV Transmitter

Specification