WDM Modules1

WDM Modules

CWDM Modules

UOI’s Coarse Wavelength Division Multiplexer/Demultiplexer (CWDM) modules are designed for low cost multi-wavelength networks applications. With a pass-band of 13 nm and channel spacing of 20 nm, the CWDM modules are an ideal match for non-temperature controlled

UOI’s CWDMs are manufactured using low thermal drift filters and proprietary packaging technologies. The modules have epoxy-free optical paths and conform to Telcordia requirements.

Module configuration can be custom-designed to meet specific system requirements.


  • Low insertion loss
  • High channel isolation
  • Low PDL & PMD


  • Metro/access networks

Download Datasheets in PDF Below:
3-Port CWDM Device
4-CH CWDM Module
8-CH CWDM Module

cwdm_sUsing proprietary No-Shift coating processes that reduce the thermal drift coefficient to below 0.3 pm/