2 papers
physics.optics2025
Quadratic Band Touching and Nontrivial Winding Reveal Generalized Angular Momentum Conservation
Yihan Wang, Domenico Bongiovanni, Dario JukiÄ +7
Angular momentum conservation stands as one of the most fundamental and robust laws of physics. In discrete lattices, however, its realization can deviate markedly from the continu…
physics.optics2024
Optical Vortex Ladder via Sisyphus Pumping of Pseudospin
Sihong Lei, Shiqi Xia, Daohong Song +3
Robust higher-order optical vortices are much in demand for applications in optical manipulation, optical communications, quantum entanglement and quantum computing. However, in nu…