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PhD Silicon technologies for systems up to 325 GHz (H/F)

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General information

Reference : UMR8520-FRELEF-049
Workplace : VILLENEUVE D ASCQ
Date of publication : Thursday, February 13, 2020
Scientific Responsible name : Guillaume DUCOURNEAU
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 April 2020
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly

Description of the thesis topic

The evolution of silicon technologies today makes possible the development of many applications in the millimetre and sub-millimetre range, such as imaging systems for health and security, as well as very high-speed communication systems. This evolution is characterized, among other things, by an increase in the frequency performance of the transistors available in these technologies and of the associated passive components. In this context, in addition to small signal S parameter measurement techniques, the IEMN laboratory uses and develops linear (noise) and non-linear (power) measurement tools to determine the potential of transistors and circuits in the frequency ranges [140-220 GHz] and [220-325 GHz].

In this context, this thesis topic will focus on the design of functional brick demonstrators namely power amplifiers and/or low noise amplifiers in [140-220 GHz] and [220-325 GHz] on the latest BiCMOS technologies from ST microelectronics company. This thesis work will aim to continue the actions already initiated in the framework of the joint laboratory IEMN / ST microelectronics for many years, and will aim to validate the accuracy of the electrical models established in the design kit of this technology, validate the established measurement methods (noise, power/compression, ...) to be able to demonstrate the potentialities of these technologies for these millimeter and sub-millimeter frequency ranges. These basic building blocks can finally be used in the framework of demonstrators in laboratory environments, reception or transmission systems for these frequency ranges.

Work Context

Thesis within the THZ Photonics group in connection with the MC2 company, spin off from the IEMN.
The IEMN is a UMR of 450 people, located in Villeneuve d'Ascq near Lille.

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