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You are here:   » Products » Optical Technologies » Components » Optics » Modulators » 10-12.5 Gb/s Intensity Modulators with Integrated Attenuator


10-12.5 Gb/s Intensity Modulators with Integrated Attenuator

Key Features

  • More than 15 dB attenuation range
  • Constant extinction ratio over
    full attenuation range
  • C and L-Band operation (single P/N)
  • Standard "F"-type footprint
  • Electro-optic E/O bandwidth for
    bit rates up to 12.5 Gb/s
  • Low insertion loss
  • Integrated polarizer
  • Outstanding thermal stability
  • True zero-chirp


This newly designed Oclaro (formerly Avanex) lithium niobate modulator with integrated variable optical attenuator is built with the standardized "F10"-type small form factor package for 4"MSA transponders. The integrated VOA enables highly flexible DWDM system operation, by pre-emphasizing the optical power level of each channel in amplified systems. The VOA is made from a specially designed Mach-Zehnder interferometer providing a constantly high modulator extinction ratio over the complete attenuation range of more than 15 dB. The large electro-optic bandwidth allows for SFEC overhead. Besides the chirp free model, pre-chirped versions for 1700 ps/nm and 2000 ps/nm dispersion tolerance are available (F1700-A; F2000-A). Other custom chirp designs can be provided on request to accomplish specific customer transmission requirements.


  • Data communication
  • Telecommunication

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