Topological bound modes in optical waveguide arrays with alternating positive and negative couplings
Nianzu Fu, Ziwei Fu, Huaiyuan Zhang, Qing Liao, Dong Zhao, Shaolin Ke
Topics & Concepts
Topology (electrical circuits)PhysicsBrillouin zoneCoupling (piping)Topological indexWaveguideBound statePhase (matter)Upper and lower boundsOpticsQuantum mechanicsMaterials scienceMathematical analysisMathematicsMetallurgyCombinatoricsNonlinear Photonic SystemsAdvanced Fiber Laser TechnologiesPhotonic Crystals and Applications