Projects

TeraLab projects are to study, model, develop and characterize new components and systems operating in the THz.

In particularly, the WITH ANR JST Project is dedicated to the study of a new system of wireless communication at very high speed to 40 Gbps of frequencies unexplored previously (400-900 GHz).
In Beijing Olympics Games (2008), a group of Japanese researchers has demonstrated the use of a wireless communication system of 10-Gbit/s at a carrier frequency of 120 GHz for a 3 km transmission of a uncompressed signal of high definition television (HDTV).

In the near future, will be available for the ultra-HDTV which transmission beyond 40 Gbit/s is required. The transfer of uncompressed data requires a carrier frequency at least ten times higher. That means a carrier frequency beyond 400 GHz and thus the exploration of sub-ranges THz and THz.

Possible scene for ultra-broadband Super-HDTV

There are then 2 major problems: i) how to generate and modulate signals sub-THz and ii) how to detect them.

To push the speed limit of the charge carriers in conventional electronic devices, we introduce the phenomenon of plasma resonance in 2D electron gas as a new physical principle of operation to achieve i) tunable THz sources, consistent, monochromatic, operating at 300K, ii) rapid detection and coherent THz coded carriers and iii) intensity modulators for 10-40 Gbit/s carrier frequency sub-THz and THz. We propose new ideas in connection with structures of new advanced devices, methodology, design and characterization to achieve these new functions of transmission and detection in a real device. The real tests of a transmitter/receiver sub-THz and THz wireless will be performed to demonstrate for the first time a record transfer data at 40 Gbit/s, and the feasibility of THz wireless communication ultra-wideband.

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