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Coherent Solutions IQTransmitter

The IQTransmitter enables quick and simple generation of phase modulated optical signals in one easy to use benchtop unit. It offers world-leading bandwidth of 40GHz, unrivalled by other commercially available coherent transmitters. Plus its unique range of customizations give you unrivalled flexibility and even greater value – out of the box.




  • Choose from 40 GHz, 26 GHz or 11 GHz of bandwidth

  • Pattern independent Automatic Bias Control

  • High repeatability and reliability of optimized optical signals

  • Inbuilt narrow linewidth tunable laser

  • Perfect for M-QAM, M-PSK, CO-OFDM and custom modulation formats

  • Intuitive and user-friendly GUI

  • Complete remote control capability

  • Capable of supporting baud rates of up to 64 GBaud

  • Highly customizable to suit your needs


Generate 16QAM, 64QAM CO-OFDM & More


The IQTransmitter uses high bandwidth linear RF amplifiers to enable generation of any multi-level optical modulation formats when used with RF Arbitrary Waveform Generators (AWG).


The Ideal ‘Golden’ Optical Signal Source


Generating and controlling phase modulated optical signals is made easy with the IQTransmitter. Available in three different versions; full dual-polarization, emulated dual-polarization and single polarization, you can select from the most flexible customizations commercially available. The IQTransmitter is referred to as a ‘Golden’ reference optical signal source because of its high repeatability and reliability – Every time you turn it on.


Its unrivalled high bandwidth of 40 GHz (typical) ensures high quality optical signal generation, making it the ideal optical signal source for coherent communications applications.


One User-friendly GUI for all the Instruments


The ‘IQSignal-Manager’ software enables simple set up and control of the IQTransmitter. IQSignal-Manager automatically discovers any compatible instrument on the Local Area Network so you can monitor and control the IQTransmitter from the comfort of your own desk.

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