Researchers use graphene metamaterial to create terahertz modulators with record depth and speed, opening new possibilities for communications, imaging, and sensing. (Nanowerk News) Researchers at the ...

The terahertz range sits between microwaves and infrared light on the electromagnetic spectrum. Despite the potential of terahertz waves in many fields, for example in walk-through security scanners ...

Active metadevices integrated with semiconductors. (a) Hybrid silicon-metallic resonators for all-optical ultrafast active metamaterials. (b) Broadband metamaterial frequency switch with femtosecond ...

Fiber-optic interferometric sensors have emerged as essential tools in precision measurement, utilising the interference of coherent light to detect minute displacements and variations in physical ...