Terahertz modulation in metamaterial systems harnesses engineered resonant structures to dynamically control the amplitude, phase and polarization of electromagnetic waves in the 0.1–10 THz band. By ...

Terahertz (THz) radiation, occupying the spectral region between microwaves and infrared light, is of growing interest for imaging, sensing and high-speed communications. Metamaterials—artificially ...

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 ...

According to a paper published in ACS Applied Electronic Materials recently, a collaborated research group of HFIPS successfully developed an active terahertz phase modulator of NdGaO 3 (NGO) single ...

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

High-performance active terahertz (THz) modulators are of great importance for next generation communication technology. However, they currently suffer from the tradeoff between modulation depth and ...

A research group led by Prof. Sheng Zhigao from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS) developed an active and smart Terahertz (THz) electro-optic ...

Why scaling down reaches a limit in the terahertz range. How metastructures change the approach to building components for THz frequencies. The researchers’ approach and results for these ...

Enhancements to Keysight’s 89600 VSA software enable AttoTude to accelerate characterization of THz radio technology for AI data centers SANTA ROSA, Calif.--(BUSINESS WIRE)--Keysight Technologies, Inc ...

Humans typically blink 4 times per second, equivalent to a frequency of 4 Hz. Blinking at a rate of 1 billion times per second, or 1 GHz, is not possible for a human being. But this is the current ...

Researchers have discovered a groundbreaking use of terahertz (THz) imaging to visualize cochlear structures in mice, offering non-invasive, high-resolution diagnostics. By creating 3D reconstructions ...

Terahertz wireless communication is a promising technology for future networks, but it often fails when line-of-sight paths are blocked. A new study ...