Extended Data Fig. 1: Topological power splitters.
From: On-chip topological beamformer for multi-link terahertz 6G to XG wireless
Optical images of four-channel (4-CH) a AB-type and b BA-type topological power splitters. Type A (B) VPC unit cell is highlighted with a purple (orange) color. The AB-type and BA-type zigzag interfaces are marked with red and blue dotted lines, respectively. The 4-CH AB-type (BA-type) power splitter is composed of an AB-type (BA-type) zigzag interface on the left channel CH 1 and three BA-type (AB-type) zigzag interfaces on the right channels CHs 2-4.
