Title :
Lieb photonic topological insulator
Author :
Bandres, Miguel A. ; Rechtsman, Mikael C. ; Szameit, A. ; Segev, Mordechai
Author_Institution :
Phys. Dept., Solid State Inst., Technion - Israel Inst. of Technol., Haifa, Israel
Abstract :
We show that a Lieb photonic lattice of helical waveguides (without any external field) has one-way edge states that are topologically protected against backscattering as they pass through defects or around corners.
Keywords :
crystal defects; optical lattices; photonic crystals; surface states; topological insulators; Lieb photonic lattice; defect; helical waveguide; one-way edge state; topological insulator; Backscatter; Dispersion; Lattices; Optical surface waves; Optical waveguides; Photonics; Topological insulators;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
