Electromagnetic energy in the terahertz region of the spectrum – nominally 300 GHz/0.3 THz to 10 THz, although some consider it to start at 100 GHz/0.1 THz – presents a technical dilemma. On one hand, ...
Physicists have experimentally reversed electromagnetic waves in time, confirming a theoretical prediction that has stood for ...
Dynamic control of terahertz (THz) waves at-will with an ultracompact device is important for THz technologies in biomedical imaging, telecommunications, detection, and beyond. However, tunable THz ...
Active metadevices integrated with semiconductors. (a) Hybrid silicon-metallic resonators for all-optical ultrafast active metamaterials. (b) Broadband metamaterial frequency switch with femtosecond ...