On-chip low-frequency quantum photonics simulates arbitrary-range coupled frequency lattices with gauge potential

https://www.eurekalert.org/news-releases/1069248

"controls synthetic polarization/ frequency... simulates complex structures like atom chains/ nanotubes... , which are crucial for understanding low-dimensional materials... high electro-optic coefficient thin-film lithium niobate chips... periodically modulating on-chip resonator, reveals band structures enabling coupling up to 8 and 9X lattice constant while reducing required modulation frequency >5 orders magnitude... reduces required frequencies >3 orders magnitude, reduction from 100 GHz to 10 MHz"