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.