Switchable Light Localization
Induces flat bands via loss difference in a honeycomb photonic lattice, achieving light localization on the low-loss sublattice.
Feng, Yuan · Liu, Zhenzhi · Liu, Fu · Yu, Jiawei · Liang, Shun · Li, Feng · Zhang, Yanpeng · Xiao, Min · Zhang, Zhaoyang
Physical Review Letters 2023
Incident light at the K point is localized on the low-loss sublattice B
Light is effectively localized, with power exchange between adjacent channels prohibited