Tracking ultrafast change of multiterahertz broadband response functions in a photoexcited Dirac semimetal Cd${}_3$As${}_2$ thin film

Natsuki Kanda, Yuta Murotani, Takuya Matsuda +5

The electromagnetic response of Dirac semimetals in the infrared and terahertz frequency ranges is attracting growing interest for potential applications in optoelectronics and non…