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MIL OSI Translation. Region: Russian Federation –

Source: Novosibirsk State University – Novosibirsk State University –

A prototype of an LCD device – a spatial phase modulator for controlling beams of subterahertz radiation with the prospect of use in new generation wireless communication systems (6G) was created in the Laboratory of Functional Diagnostics of Low-Dimensional Structures for Nanoelectronics of the Analytical and Technological Research Center “High Technologies and Nanostructured Materials” Faculty of Physics, Novosibirsk State University. 6G technology is based on the use of terahertz (THz) waves. The transition to these waves will increase the data transmission speed in wireless communication systems by at least 100 times compared to existing solutions.

Terahertz (THz) waves are electromagnetic radiation with frequencies from one hundred gigahertz to several terahertz. THz waves are located between the infrared and ultrahigh frequency (microwave) ranges of the spectrum.

— To date, the exact requirements for 6G technology have not yet been determined; its standards are expected to be developed only by 2030, which is designated as the time limit for the introduction of the first 6G systems into global practice. The transition to such high frequencies of wireless communication requires the development of conceptually new approaches, both in terms of the architecture of 6G systems and the physical principles of their operation and technological implementation. In particular, since the THz range corresponds to wavelengths on the millimeter/submillimeter scale, the transmission of information in 6G systems will be carried out along a narrow beam, the direction of which should be dynamically (electronically) adjusted as the subscriber moves in space, said Sergei Kuznetsov, a senior researcher at the laboratory.

The developments of scientists from NSU are aimed at creating such devices for controlling terahertz beams. They are based on the use of liquid crystals integrated with special metamaterials (resonant metastructures). Externally, prototype devices look like LCD displays. They advantageously combine the necessary functionality and low production costs. Work to improve the prototypes continues.

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EDITOR’S NOTE: This article is a translation. Apologies should the grammar and or sentence structure not be perfect.

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