Ultra-Long-Haul (ULH) DWDM Optical Transport System

Eliminates Line Amplifiers & Repeaters from Spans >300 km
Powered with IPG's Proprietary High Power Optical Pumping Technology Platform

IPG’s Ultra-Long-Haul DWDM is a high performance platform created to extend the optical reach of metro and long-haul networks. IPG’s unique ULH system, enabled by watt-class EDFAs and Raman pump fiber lasers, offers the service provider substantial increase in optical transport distances resulting in reductions in capital and operational expense. 

Contact IPG Photonics to Transform your system today.

 ULH DWDM System


 Main Features:

  • High Power Erbium-doped Fiber Amplifiers (EDFAs) 
    • Pre-, Booster and Line Amps
    • Mid-stage Access for Dispersion Compensation
  • High Power Raman Signal Amplifiers
    • Single Wavelength, >0.5 W Co- and Counter-propagating
    • Multiple Wavelength
  • Remote Optically Pumped Amplifiers (ROPAs)
    • Hermetically Sealed EDFAs
    • Pumped in-line Directly with 0.5 W or 1.0 W 1480 nm
    • Pumped Externally with Direct 1480 nm or 2nd order 1390 (4 W) and 1480 nm


  • Metro Network Backhaul
  • Submarine and Undersea Networks
  • CLEC, Electric Utility, Transportation, Pipeline and Private Networks
  • SCADA and Telemetry Transport