January 2016 Issue
Feature Articles
Kicking Off the OSA Centennial
This month, OPN helps mark The Optical Society’s 100th anniversary with articles providing both a glimpse ahead and a look back.
by OPN StaffGroup IV Photonics: Driving Integrated Optoelectronics
Use of group IV element alloys in chip-scale lasers, detectors and other active devices could enable truly monolithic manufacture of optoelectronic ICs in existing CMOS foundries.
by Richard Soref, Dan Buca and Shui-Qing YuHow the Great War Changed the Optics Industry
The demands of World War I transformed the optical-glass industries of the Allied countries from small-scale, trial-and-error crafts to volume enterprises informed by science.
by Stewart WillsDepartments and Columns
OSA Celebrates 100 Years: Q&A with Chris Dainty
The 2011 President of OSA and chair of the OSA Centennial Advisory Panel talks with Optics & Photonics News about his history with the society and what the panel hopes to accomplish this year.
At Princeton Lightwave, Single Photons are in Focus
Princeton Lightwave pursues opportunities in single-photon sensing, offering new solutions to commercial and defense markets.
The Optical Society (OSA) celebrates its 100th anniversary in 2016. To commemorate this special occasion, the society is planning a number of activities and events. Check the OSA Centennial website for information about how you can join the celebration: www.osa.org/100

![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)