Telecom Applications

Iridian has a long history as a leading global supplier of optical filters for the telecommunications industry.  Iridian, an independently owned company, is focused on the production of optical filters and does not compete with its customers in the application area of these filters at the component level.

Iridian can provide telecom filters at competitive prices in high volumes (Iridian ships 10,000 to 40,000 telecom filters per week).  Iridian is active in all the following telecom applications below – providing an indication of the diverse types of telecom filters that Iridian supplies:

telecom with earth lighting

  • Wavelength Multiplexing and De-Multiplexing

Multi-wavelength transport in optical fibers for telecom, cable and wireless backbone (LTE) applications).

CWDM Product Line DWDM Product Line


  • Optical Amplification/Gain Flattening

Required to equalize DWDM channel strengths after optical amplification

GFF Product Line


  • Laser Wavelength Stabilization (C-, L- and U-Bands)

For wavelength identification and wavelength locking applications

Etalons Single Cavity Filters Linear Transmittance Filters


  • Pulse Dispersion Compensation

For 40 and 100 Gbit/s optical network to restore optical pulse shape

Dispersion Compensating Etalons


  • Fiber-to-the-Home/Business (FTTx)

High-speed ethernet access for homes and businesses

FTTx Product Line


  • Fiber Line Monitoring

Special fiber wavelengths used to monitor signal performance

Tap Couplers and BeamSplitting Filters


Please contact us if you have specific telecom applications that you would to discuss.