It's possible to use optical phase shifters for RF to attain bandwidths of 1 GHz or more, but these have been expensive to construct. A team of researchers from the Universitat Politècnica de València ...

Engineers have invented a breakthrough optical phase modulator that controls visible light -- without dimming it -- with the smallest footprint and lowest power consumption. New device will ...

Discover how researchers are using Tamm plasmonic photonic crystals and antimony trisulfide to create reconfigurable color ...

Semiconductor Fano lasers—Leveraging interference effects known as Fano resonances, these lasers can generate ultrashort optical pulses and exhibit improved spectral properties, offering new ...

Quantitative phase imaging (QPI), in which the key visual information is revealed by the change in optical path-length and hence phase shift that takes place when photons pass through biological ...

Liquid Metal-Based Tunable Linear Phase Shifters With Low Insertion Loss, High Phase Resolution, and Low Dispersion. IEEE Transactions on Microwave Theory and Techniques , 2023; 1 DOI: 10.1109 ...