Enhancements to Wireless Communications: Potential Leaps Using Ultra-Short Collimating Metalenses
In a significant breakthrough, researchers from the Tokyo University of Agriculture and Technology (TUAT) have developed a low-reflection metasurface to manipulate terahertz waves, potentially revolutionizing short-range data exchanges such as residential internet speeds.
The research, led by Associate Professor Takehito Suzuki at the Institute of Engineering, TUAT, was published in the journal Applied Physics Express in July 2021. The team's solution for fabricating a metalens for terahertz waves resulted in a threefold increase in transmitted power.
The collimating metalens, developed by the TUAT researchers, is a remarkable innovation. It can align an optical system with a distance of only one millimeter, and was tuned to 0.3 terahertz, a band at a higher frequency than the one used for 5G wireless communications. This makes it a promising candidate for 6G, offering advanced cyber-physical systems.
The manipulation of higher-frequency electromagnetic waves allows the upload and download of huge amounts of data in 6G wireless communications. The presented collimating metalens can be simply integrated with various terahertz continuous-wave sources to accelerate the growth of emerging terahertz industry such as 6G wireless communications.
The research was funded by several prestigious organizations, including the Japan Society for the Promotion of Science (JSPS), PRESTO from the Japan Science and Technology Agency (JST), Inamori Foundation, Kato Foundation for Promotion of Science, Iketani Science and Technology Foundation, TEPCO Memorial Foundation, GMO Internet Foundation, and The Noguchi Institute.
For more information about Tokyo University of Agriculture and Technology (TUAT) and its ongoing research, please visit http://www.tuat.ac.jp/en/. The research paper can be accessed using the DOI: 10.35848/1882-0786/ac0678.
It's worth noting that TUAT continues to boldly take on new challenges and steadily promote fields related to agriculture and engineering, forming the foundation of industry. The university fulfills its social responsibility in the capacity of transmitting science and technology information towards the construction of a sustainable society where both human beings and nature can thrive in a symbiotic relationship.
Contributors to the research, in addition to Takehito Suzuki, include Kota Endo, Masashi Sekiya, Kento Sato, and Jaeyoung Kim. For further queries regarding the research, please contact Professor Kojiro Uryu at the Tokyo University of Agriculture and Technology via email at [email protected].
This development by TUAT is a significant step forward in the realm of terahertz technology and 6G wireless communications, promising faster and more efficient data exchanges in the near future.
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