November 2026 Issue
Feature Articles
How to Staff a Growing Industry
Governments, companies and academic institutions are striving to build a photonics workforce tuned to local and regional needs—and a booming global market.
by Stewart WillsScaling AI Data Centers with XPO Optics
eXtra-dense Pluggable Optics are rewriting the rules of density, thermal management and reliability to future-proof artificial intelligence networks.
by Sunil Priyadarshi, Andreas Bechtolsheim, Brian Park and Vijay VusirikalaDepartments and Columns
20 Years of Digital Holography
The 2026 DH topical meeting showcased the depth and breadth of the field—and how much it has advanced since the meeting’s inception.
Activating Medicine with Light
Researchers discover that light can activate effective therapies for treating skin diseases, setting the stage for the development of photodynamic therapy.
Also in this Issue
30, 20, and 10 Years Ago in OPN
Ocean optics; tabletop lasers in the extreme ultraviolet; OSA centennial snapshots
![3D-rendered illustration of a laser scanning of the human eye. [Getty Images]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2026/1026/departments/202610-cover-web.jpg?ext=.jpg)
![Illustration of a neuron. [Getty Images]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2026/0926/departments/202609-cover-web.jpg?ext=.jpg)
![Conceptual lab image of structured coherence. [CREOL, The College of Optics & Photonics, University of Central Florida]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2026/0726/departments/202607-cover-web.jpg?ext=.jpg)