Active control of anapole states by structuring the phase-change alloy Ge2Sb2Te5

• Published in: Nature communications Vol. 10; no. 1; pp. 396 - 9
• Main Authors: Tian, Jingyi, Luo, Hao, Yang, Yuanqing, Ding, Fei, Qu, Yurui, Zhao, Ding, Qiu, Min, Bozhevolnyi, Sergey I.
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 23.01.2019; Nature Publishing Group; Nature Portfolio
• Subjects: 132/122; 140/125; 142/126; 147/135; 147/3; 639/624/399; 639/766/1130/2799; Active control; Broadband; Electric dipoles; Humanities and Social Sciences; Investigations; multidisciplinary; Nanoparticles; Optical switching; Phase change materials; Physics; Radiation; Resonance; Science; Science (multidisciplinary)

High-index dielectric nanoparticles supporting a distinct series of Mie resonances have enabled a new class of optical antennas with unprecedented functionalities. The great wealth of multipolar responses has not only brought in new physical insight but also spurred practical applications. However,...