Generating optical vortex beams by momentum-space polarization vortices centred at bound states in the continuum
Bo Wang, Wenzhe Liu, Maoxiong Zhao, Jiajun Wang, Yiwen Zhang, Ang Chen, Fang Guan, Xiaohan Liu, Lei Shi, Jian Zi
Topics & Concepts
PhysicsOptical vortexVortexBound statePolarization (electrochemistry)WavefrontPhotonicsQuantum mechanicsOptical tweezersOpticsRelative phasePhotonic crystalPosition and momentum spaceLight beamOptical physicsTopological quantum numberLaserAngular momentumHomogeneousTopology (electrical circuits)Classical mechanicsCondensed matter physicsUpper and lower boundsBeam (structure)Laser beamsPhase (matter)Parameter spacePhase spaceOrbital Angular Momentum in OpticsNonlinear Photonic SystemsQuantum Mechanics and Non-Hermitian Physics