After four centuries of advances, astronomers now capture the Sun’s swirling, dynamic features in stunning detail.

Researchers at Princeton and North Carolina State University have developed a technique that substantially improves the ...

Terahertz (THz) radiation, which occupies the frequency band between microwaves and infrared light, is essential in many next ...

Abstract: In this paper, we propose and validate a new approach for increasing the optical bandwidth of waveguide grating couplers by using a center-symmetric grating structure. Our results ...