Ciena

Driven by North American hyperscalers, worldwide Cloud & Colo spending leapt 61% to its eleventh consecutive quarter of year-over-year growth

Analysis and opinion on 1Q26 company results.

Uncovering who uses which DSP, and which DSP vendors ship the most volume. Updated with the latest data from 2025.

New for this quarter – WDM Pluggable Market Share

Analysis and opinion on 4Q25 company results.

All three end customer markets grew worldwide, with worldwide cloud spending growing 64%

In this update to our 1Q25 report, we cover the trends favoring pluggable optics as well as the companies positioned to benefit.

All three end customer markets grew worldwide, with worldwide cloud spending growing 64%

Analysis and opinion on 3Q25 company results.

All three end customer markets grew worldwide, with worldwide cloud spending growing 64%

Pluggable coherent is transforming optical transport, replacing embedded optics to and extending the benefits of pluggables to traditional optical transport hardware.

The Four Horseman of AI scaling: CPO, OCS, 1.6T, and 800ZR/Coherent Lite

This report initiates our coverage of Coherent Lite.

The market recovery accelerated in 2Q with Cloud & Colo spending rocketing 50%.

The worldwide optical transport market accelerated in 2Q as cloud and colo spending rocketed 50% worldwide.

Ciena hit record revenue with Cloud customers, while Service Provider sales slowly recovered.

The Optical and Routing markets show signs of recovery, and tariffs aren’t yet affecting business.

The Optical and Routing markets show signs of recovery, and tariffs aren’t yet affecting business.

A Focus on Line Systems and Components

Uncovering who uses which DSP, and which DSP vendors ship the most volume.