CWDM Modules

CWDM multiplexer and demultiplexer modules are based on free-space cascaded thin-film filters integrated on an optical bench with high temperature stability. The modules are entirely passive. The filter insertion loss profiles feature flat top and steep slopes. The thin-film filters achieve high center frequency stability over the entire operating temperature range.


  • Low insertion loss
  • Wide and flat pass band
  • High adjacent channel isolation


  • CWDM transmission
  • Telecom and CATV networks
Communications, 5G Optical Infrastructure, Datacenter Interconnects, ROADM Systems, Passive Modules, OPTICAL COMMUNICATIONS

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