November 2024 Issue
Feature Articles
Devices that operate like solar cells in reverse can generate power even in the absence of sunlight, offering an alternative route for energy production.
by Tristan Deppe and Jeremy Munday
Enhancing Optical Microscopy with Quantum Entanglement
Drawing on the unique properties of entangled photons, quantum approaches can overcome the limitations of classical methods, enhance spatial resolution and reduce stray light and shot noise.
by Xin Tong, Yide Zhang and Lihong V. Wang
Researchers are working to coax a class of superbly biocompatible polymer–water hybrids into light-guiding channels for sensing, optogenetics and more.
by Stewart WillsDepartments and Columns
Transparent mouse skin / Quantum-optical look at Alzheimer’s / Nuclear clocks / Vinegar boosts UV sensors / Multifunctional “smart” window / Environmental impact of chip manufacturing / Industry news
Environmental Impact: Semiconductor Fabrication
A 2022 study in Science of the Total Environment analyzed the environmental impact of fabricating semiconductor chips, which involves large quantities of raw materials and waste generation.
A Sustainable Future for Semiconductors
FUTUR-IC aims to use electronic–photonic integration to create high-performance microchip technology while minimizing environmental impact.
Anticipating questions and providing reasonable answers can significantly add to your credibility.
Also in this Issue
The “second quantum revolution” involves the wonderful things one can do with a single quantum system.
30, 20 and 10 Years Ago in OPN
Optoelectronics; synthetic aperture radar; exoplanets.
FiO LS and Laser Congress / Optica elections / Diversity and inclusion recognition / López-Casarín named Advocate of Optics / MAOP2024 / Optica Fellow stories / In memoriam: H. Jeffrey Kimble / Digging into PICs / GEMM Initiative expands / Thank you, editors and congress strategy committees
Remembering a distinguished physicist and exceptional educator.
Laser-induced damage to a dielectric high-reflection coating.
![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)
