Abstract

Semi-Dirac materials such as a TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> /VO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> have been shown to possess a parabolic energy-momentum dispersion in the x direction and linear dispersion in the y direction. This unique energy-momentum dispersion leads to many anisotropic effects. Here, we demonstrate a strong anisotropic photo-mixing effect in such systems which can be used to control the strength of the photo-response.

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