March 2020 Issue
Feature Articles
The Breakthrough Birth of Low-Loss Fiber Optics
Once Charles Kao had identified the promise of glass for communications, specialists in glass science took on the task of making that promise a reality. A small group at Corning succeeded by taking a contrarian approach.
by Jeff HechtToward Intelligence in Photonic Systems
In the not-too-distant future, advances in machine learning will spur a new, transformative generation of optical communication and measurement systems.
by Darko Zibar, Francesco Da Ros, Giovanni Brajato and Uiara C. de MouraDepartments and Columns
Demystifying Award Applications
An award nomination or application should tell a clear and compelling story.
A Path to Equality in Asia-Pacific?
Researchers reflect on the issues raised during a 2019 diversity and equity panel—and share possible solutions.
OSA Expands Presence in Europe
Claus Roll joins OSA as its second European director.
Also in this Issue
30, 20, and 10 Years Ago in OPN
Hubble Space Telescope; undersea fiber optic cables; VCSELs
3D-printing a Lamborghini / POM draws a big online crowd / OSA Fellow stories / Honors for Polzik, Murnane, Kapteyn, Kochan, Anderson and Li / Thank you, editors and volunteers
Thank you, OSA Foundation Donors
The OSA Foundation serves as the philanthropic arm for The Optical Society (OSA). Our mission is to inspire, reward and support students and early-career professionals in optics and photonics. Our global programs include professional development, summer schools, prizes, scholarships, fellowships, awards and honors. Here, we are pleased to recognize the generosity of our donors; for more information or to make a donation, go to www.osa.org/donate.

![Manual probe system with needles for test of semiconductor on silicon wafer. [A. Morozov / Getty]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1125/departments/202511-cover-web.jpg?ext=.jpg)
![Researcher Clara Saraceno in the lab. [Image by Carsten Behler Photography]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1025/departments/202510-cover-web.jpg?ext=.jpg)