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M.Sc. Andreas Duensing

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Laser and X-Ray Physics

Offered Bachelor’s or Master’s Theses Topics

Nonlinear Laser fault injection in semiconductor devices

Fault Injection through Laser irradiation is an established attack method in the context of hardwarebased IT-security. Faulty data can be exploited in various ways to break the security measures of an Integrated Circuit. These techniques are referred to as “Fault Attacks”. This project will address fault injection employing a state of the art ultra-short pulse laser system. With semiconductors being inherently sensitive to light, it is feasible to induce transient currents in a chip by irradiation. The goal is to optimize the light source taking into account nonlinear optics to utilize the dominant physics in the best possible way.

The thesis is performed in cooperation with the Fraunhofer Research Institution for Applied and Integrated Security (AISEC) and comprises the following tasks:

                Development of a laser workbench including IR generation.

                Systematic studies of the laser source (focusing, wavelength, pulse duration . . . ).

                Study of the fault injection on a model system.

suitable as
  • Master’s Thesis Condensed Matter Physics
  • Master’s Thesis Applied and Engineering Physics
Supervisor: Reinhard Kienberger
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