In the ever-evolving world of wireless communications, the allocation and utilisation of the electromagnetic spectrum has emerged as critical elements in ensuring seamless flow of data, voice and information, across the globe. In this regard, Terahertz (THz) technology presents an exciting frontier within the spectrum landscape. THz frequencies occupy a unique position in the electromagnetic spectrum, offering both an alluring promise and formidable technical challenges.
This article explores the world of THz frequencies, their strategic significance in modern communications, the global and regulatory perspectives that shape their utilisation, and the innovative solutions that are reshaping the way we harness this valuable portion of the spectrum.
TERAHERTZ BAND: UNVEILING THE SPECTRUM
The electromagnetic spectrum, a continuum of electromagnetic waves, spans from radio waves to gamma rays. Terahertz frequencies occupy a distinctive space in this spectrum, typically ranging from 0.1 THz (100 GHz) to 10 THz. Positioned between microwave and infrared frequencies, THz waves offer a sweet spot for communication technologies. Their ability to carry vast amounts of data is rooted in their shorter wavelength and higher frequency, allowing for faster and more precise information transfer.
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