Bifrost and Gravity Media complete 25G Quasi-Coherent transceiver testing for ST 2110
Bifrost Communications and Gravity Media have successfully tested a 25G Quasi-Coherent SFP28 transceiver designed for SMPTE ST 2110 media transport. The DSP-free architecture aims to provide a low-power, low-latency solution for high-density broadcast infrastructure over distances up to 40km.
Key Takeaways
- Tested the industry's first 25G DWDM SFP28 pluggable transceiver using patented Quasi-Coherent technology
- Achieved ultra-low latency and reduced power consumption by utilizing a DSP-free architecture
- Demonstrated 40km reach over BT Optical Spectrum Access Service for demanding live production workflows
- Integrated semi-tunable laser technology to provide operational flexibility within a compact SFP-class form factor
Why It Matters
The successful validation of this DSP-free architecture provides a cost-effective path for broadcasters to scale SMPTE ST 2110 networks without the power and heat penalties of traditional coherent optics. By bridging the gap between standard intensity-modulation optics and expensive coherent systems, this technology allows Gravity Media and other service providers to deploy high-capacity fiber links over longer distances in dense environments. This development signals a shift toward more efficient edge and transport infrastructure as live production moves toward 25G and 100G requirements. Watch for adoption rates of these SFP28 modules in mobile fronthaul and distributed AI infrastructure as a benchmark for their broader utility beyond traditional video broadcasting.
Additional Context
Bifrost Communications has been building momentum around its DSP-free quasi-coherent approach as broadcasters migrate to higher-bandwidth IP media workflows. The company's 25G SFP28 transceiver targets the gap between short-reach intensity-modulation optics and full coherent systems, a niche that is becoming critical as SMPTE ST 2110 deployments scale beyond single-facility boundaries. Gravity Media's network operations team validated the transceivers over BT's Optical Spectrum Access service, confirming error-free ST 2110 transport at distances up to 40km, a result that positions the technology for inter-site production links and distributed live-event workflows.
Read full article at svgeurope.org
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