Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...
From left to right, Albert Suceava, a doctoral student in materials science and engineering, Venkatraman Gopalan, a professor of materials science and engineering, and Saugata Sarker, a graduate ...
Researchers at the University of California, Los Angeles (UCLA) have unveiled a new optical technology that enables precise focusing of light—only in one direction. This novel unidirectional focusing ...