Recent advances in photonics of three-dimensional Dirac semimetal Cd3As2

Zhou, Renlong
Ullah, Kaleem
Hussain, Naveed
Fadhali, Mohamed M.
Yang, Sa
Zubair, Muhammad
Iqbal, Muhammad Faisal
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Advanced Photonics Nexus
Due to their unusual features in condensed matter physics and their applicability in optical and optoelectronic applications, three-dimensional Dirac semimetals (3D DSMs) have garnered substantial interest in recent years. In contrast to monolayer graphene, 3D DSM exhibits linear band dispersion despite its macroscopic thickness. Therefore, being a bulk material, it is easy to make nanostructures with 3D DSM, just as one normally does with metals such as gold and silver. Among 3D DSMs, cadmium arsenide (Cd3As2) is quite famous and considered an excellent 3D DSM due to its chemical stability in air and extraordinary optical response. In this review, advances in 3D DSM Cd3As2 fabrication techniques and recent progress in the photonics of 3D DSM Cd3As2 are given and briefly reviewed. Various photonic features, including linear and nonlinear plasmonics, optical absorption, optical harmonic generation, and ultrafast dynamics, have been explored in detail. It is expected that Cd3As2 would share an excellent tunable photonic response like graphene. We envision that this article may serve as a concise overview of the recent progress of photonics in 3D DSM Cd3As2 and provides a compact reference for young researchers.
This article was originally published in Advanced Photonics Nexus. The version of record is available at:
three-dimensional Dirac semimetal , Cd3As2 , photonics , tunable , nanostructures
Renlong Zhou, Kaleem Ullah, Naveed Hussain, Mohamed M. Fadhali, Sa Yang, Qiawu Lin, Muhammad Zubair, Muhammad Faisal Iqbal, "Recent advances in photonics of three-dimensional Dirac semimetal Cd3As2," Adv. Photon. Nexus 1(2) 024001 (14 November 2022)