Coalition Releases New Optical Switching Specifications
The framework aims to improve AI network efficiency by enabling native photon routing and reducing hardware requirements.
Updated on Oct. 21, 2026 in Quantum Computing
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The Advanced Photonics Coalition has released new specifications for nanosecond optical circuit switching to standardize how AI network hardware routes data. This announced framework aims to keep data payloads in the light domain, rather than converting them to electrical signals, to improve network efficiency.
Why it matters
As AI back-end network spending is projected to hit nearly $1 trillion by 2030, these specifications aim to reduce power and latency constraints that currently limit scaling. The industry is seeking to lower the quantity of optical hardware required to support massive AI cluster traffic.
Resolight technology targets up to 40 times better network energy efficiency and 75% fewer optical transceivers compared to conventional architectures. The exact performance gains in real-world production environments remain to be measured.
The players
Advanced Photonics Coalition
An industry group focused on developing and standardizing photonic technologies for next-generation network connectivity.
Resolight
A Sunnyvale-based firm developing nanosecond optical circuit switching technology for high-performance AI data networks.
Raymond James
A financial services firm providing market research and analysis on technology infrastructure and emerging networking companies.
The details
Nanosecond optical circuit switching works by coordinating transmission windows across network endpoints to manage data contention. By enabling native photon routing, the system allows data payloads to remain in the light domain throughout the path rather than undergoing repeated conversions to electrical signals. This replaces conventional OCS reconfiguration methods that typically introduce latency and require higher transceiver counts.
Timeline
Q2 2026: AI back-end network switch sales overtook front-end network switch sales.
July 30, 2026: Raymond James published a company profile on Resolight.
October 20, 2026: The Advanced Photonics Coalition announced CPO specifications at the PECC Summit.
The Tech Race
This development marks a shift toward native photon routing to address the bottleneck of electrical data conversion in massive AI clusters. It follows the trend noted by the Dell'Oro Group regarding the $1 trillion cumulative AI back-end switch spending forecast for 2026-2030.
Network operators and data center engineers will eventually utilize this hardware to reduce power consumption and transceiver density in AI clusters. No specific commercial launch dates have been set for hardware implementing these new coalition specifications.
The takeaway
The industry is moving to reduce the physical and energy footprint of AI networks by keeping traffic in the light domain. Watch for adoption rates of these specifications by major hardware manufacturers throughout the 2026-2030 investment cycle.
Further reading
For broader trends in advanced high-speed hardware, see our coverage of Quantum Computing.
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