4Q25 Transport Hardware & Markets Report
New for this quarter – WDM Pluggable Market Share
4Q25 Preliminary Transport Hardware & Markets Report
All three end customer markets grew worldwide, with worldwide cloud spending growing 64%
Coherent Optics: It’s a Pluggable World (1Q26)
In this update to our 1Q25 report, we cover the trends favoring pluggable optics as well as the companies positioned to benefit.
3Q25 Transport Hardware & Markets Report
All three end customer markets grew worldwide, with worldwide cloud spending growing 64%
3Q25 Preliminary Transport Hardware & Markets Report
All three end customer markets grew worldwide, with worldwide cloud spending growing 64%
2Q25 Transport Hardware & Markets Report
The market recovery accelerated in 2Q with Cloud & Colo spending rocketing 50%.
2Q25 Preliminary Transport Hardware & Markets Report
The worldwide optical transport market accelerated in 2Q as cloud and colo spending rocketed 50% worldwide.
1Q25 Transport Hardware & Markets Report
The Optical and Routing markets show signs of recovery, and tariffs aren’t yet affecting business.
1Q25 Preliminary Transport Hardware & Markets Report
The Optical and Routing markets show signs of recovery, and tariffs aren’t yet affecting business.
Tracking the Coherent DSP Supply Chain – 2025
Uncovering who uses which DSP, and which DSP vendors ship the most volume.
4Q24 Transport Hardware & Markets Report
Carrier caution has resulted in underinvestment, and networks are now running “hot” enough to require upgrades and expansion.
4Q24 Preliminary Transport Hardware & Markets Report
Carrier caution has resulted in underinvestment, and networks are now running “hot” enough to require upgrades and expansion.
3Q24 Transport Hardware & Markets Report
Optical spending by Cloud & Colo operators grew 7% worldwide, while spending by Service Providers declined -17%.
World’s First 800ZR Coherent Services with Juniper Networks
This first deployment uses an early release of Juniper’s JCO800 coherent optics in the PTX
3Q24 Preliminary Transport Hardware & Markets Report
Optical sales fall -14%, but are buffered by strong sales to Cloud and Colo operators.
Coherent Announces L-Band 800G ZR/ZR+ Pluggable Transceivers
The transceiver leverages the Coherent L-band 140 Gbaud IC-TROSA, and demonstrated at ECOC2024 in a Juniper PTX.
2Q24 Transport Hardware & Markets Report
Optical sales fall -18% as carrier inventories take longer to deplete than anticipated.
2Q24 Preliminary Transport Hardware & Markets Report
Optical sales fall -18% as carrier inventories take longer to deplete than anticipated.
1Q24 Transport Hardware & Markets Report
Ex-China, revenue drops as service provider spending continues to stall.
1Q24 Preliminary Transport Hardware & Markets Report
Ex-China, revenue drops as service provider spending continues to stall.




