Room-temperature metasurface waveguide routes/ electrically reads valley-polarized information encoded in 2D tungsten disulfide

https://www.eurekalert.org/news-releases/1137840

"converts valley-polarized optical/ electronic emission into directional guided modes, overcoming reliance on bulky benchtop optical setups... nanoscale architecture enables electrical detection and readout of valley information directly on-chip, marking a critical milestone for practical valleytronic system integration... establishes a scalable path toward ultra-compact, low-power classical and quantum processing chips operating beyond conventional charge-based electronics