Coherent Unveils WaveMaker 4000A for Super C-Band DWDM Testing

  • Coherent Corp. launched the WaveMaker® 4000A Programmable Optical Spectrum Synthesizer on March 4, 2026.
  • The device supports full Super C-Band testing for long-haul terrestrial and submarine networks.
  • Product features include high-power noise channel generation and Flexgrid® configuration support.
  • The WaveMaker 4000A will be showcased at OFC 2026 in Los Angeles with an eight-week lead time for orders.

Coherent's WaveMaker 4000A targets the growing demand for advanced testing solutions in high-capacity DWDM networks. As data center and submarine cable operators push for higher bandwidth, the ability to test across the full Super C-Band becomes critical. This launch positions Coherent as a key player in the optical communications test equipment market.

Market Adoption
How quickly the WaveMaker 4000A will be adopted by long-haul network operators and transceiver manufacturers.
Competitive Response
Whether competitors like Keysight or EXFO will introduce similar Super C-Band testing solutions.
Revenue Impact
The pace at which this product contributes to Coherent's optical communications test equipment revenue.