FIBERSTAMP unveil 100G QSFP28 DWDM4 and Non-Coherent Subsystem for COLOR ZR+ Solutions!

Singapore, March 6, 2024– Long-distance data transmission operates through two distinct modes: coherent and non-coherent. Today, FIBERSTAMP officially unveils two trailblazing 100G QSFP28 PSM DWDM4 for Non-Coherent long-distance Subsystem. These modules, built upon a 4x25G NRZ quad-carrier DWDM solution, offer options in C-band spectra, effectively spanning distances exceeding 80km. They aim to provide more cost-effective DWDM transmission solutions for Data Center Interconnects (DCI) and Metro Area Networks. Compared to traditional coherent solutions, this approach offers advantages such as lower pricing, lower power consumption, lower latency and easier deployment.

Figure 1 – 100G QSFP28 DWDM4 Products List

  • 4x 26Gbps NRZ per channel C-band 100GHz DWDM EML transmitter 48 wavelengths and PIN photo detector array receiver
  • Internal CDR circuits on both receiver and transmitter channels, support CDR bypass
  • Low power consumption<5W
  • Up to 80km reach for G.652 SMF with external Mux/ Demux, EDFA ,CD compensation
  • Up to 10km reach for G.652 SMF without external CD compensation
  • Single male MPO-12(APC 8-degree) connector receptacle

It achieves a total bandwidth of 1200G under dual-fiber transmission conditions and 400G under single-fiber conditions. It seamlessly connects to 100G QSFP28 switch ports, eliminating the need for traditional DWDM optical layer equipment.

Figure 2 – 1200G Transmission Solution with C-BAND 100G QSFP28 PSM DWDM4

  • 4x 26Gbps NRZ per channel O-band 150GHz DML DWDM transmitter 16CH wavelengths and PIN photo detector array receiver
  • Supports 4 channels of bidirectional 100G or unidirectional 100G business access.
  • Offers multiple customer-side business interfaces: 100G Base-SR4/CWDM4/LR4/PSM4.
  • Line side supports 2 channels of coherent CFP2 optical modules at 200G.
  • Enables DWDM transmission and wavelength conversion.
  • Utilizes SNMP-based unified network management platform.
  • Features CDR function for optimizing output and monitoring DDM signals.
  • Supports software-based port shutdown.
  • Up to 80km reach for G.652 SMF with external Mux/Demux,daul SOA
  • Up to 10km reach for G.652 SMF without external SOA
  • Low power consumption <5W
  • Single male MPO-12(APC 8-degree) connector receptacle

In a dual-fiber configuration, the module delivers a total network bandwidth of 400G. It can be directly inserted into a 100G QSFP28 switch port, eliminating the need for traditional DWDM optical layer equipment and dispersion compensation modules.

Figure 3 – 400G Transmission Solution with O-BAND 100G QSFP28 PSM DWDM4

FIBERSTAMP offers an all-in-one solution, including proprietary intelligent 1U optical layer equipment featuring DWDM EDFA, AAWG, adjustable TDM or fixed DCM, SOA amplification, providing customers with a comprehensive non-coherent DWDM transmission solution for rapid business deployment.

  • 1U rack adopts modular design.
  • Supports 800G incoherent high-bandwidth DWDM transmission.
  • Supports NMS network card and network management.
  • Redundant modular dual-power design and modular fan.
  • NMS network card supports LCD screen display, facilitating users to view IP addresses and key monitoring parameters at a glance.
  • Inserting the 100G QSFP28 PSM DWDM4 into a 100G QSFP28 OEO Card。
  • Dual-fiber bandwidth: 48×25G = 1200G,Single-fiber bandwidth: 400G

Figure 4 – 1U DWDM BOX 1.0

Figure 5 – Non-Coherent DWDM Subsystem Application Diagram

FIBERSTAMP is committed to advancing non-coherent DWDM transmission solutions for 100G, 200G, and 400G networks, harnessing silicon photonics and traditional technologies. This strategic focus aims to pioneer a specialized market for COLOR ZR+ non-coherent models, enabling seamless network deployment and offering customers expert-grade, cost-effective interconnection solutions in long-distance transmission segments.


As an Open Optical Network Mail Carrier, FIBERSTAMP is committed to providing global users with Economic, Professional and Efficient Open Optical Network Solutions. The current main products cover 25G/50G/100G/200G/400G optical transceiver modules, Active Optical Cables (AOCs) and Direct Attached Cables (DACs), 100G/200G/400G coherent optical modules and UHD video transmission products. Meanwhile, through long-term deep digging in new technology, FIBERSTAMP is rapidly evolving to the promising era of 800G and CPO based on Silicon Photonics!