Concept: Optical filter

Integrated photonic ultrawideband real-time spectrum sensing for 6G wireless networks
Fast, compact spectrum sensing across microwave to terahertz frequencies on a single chip
April 4, 2026
Image Credit: Photo by Avcom211 on Pixabay (Source • License)
Investigation of the tuning mechanism in a pump-induced tunable Lyot filter and its applications
Wavelength tuning mechanism in fiber filters controlled by pump power adjustment
March 29, 2026
Image Credit: Photo by Ozkan Guner on Unsplash (Source • License)