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Ultra-Compact Dither-Free Modulator Bias Controller

Pharad's Ultra-Compact Dither-Free Modulator Bias Controller features a very small footprint and operates in conjunction with on-board inline optical power monitors that eliminate the need for user supplied external optical couplers or photodetectors; greatly simplifying experimental set-ups. 

The bias controller is continuously tunable; a USB or RS-232 interface enables configuration of the user selectable modulator bias voltage. 

bias controller, modulator bias controller, electro optic modulator bias controller
  • Precise and stable bias control of optical modulators

  • Dither-free operation ensures no unwanted pilot tones

  • No external optical couplers required

  • Continuous tuning via USB or RS-232


  • LiNbO3, InP, GaAs modulators

  • Analog fiber links


  • USB or RS-232 control
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