Electro-optical control mechanism utilizes localized voltage gate dynamically switching/ modulating light at sub-wavelength scales

https://phys.org/news/2026-05-electrical-knob-tune-intensity-nanoscale.html

"thin-layer lutetium oxide quantum tunnel junction sandwiched between gold electrodes... indium tin oxide base... applied voltage drives non-linear 2nd harmonic generation optics, where incoming photon pairs interact within 200 nm wide (light-generating zone constrained to 2 to 6 nm) material merging into single photon with 2X frequency... 500% modulation range... light generated on demand, continuously dimmed, or completely deactivated... room-temperature photonic circuits, scalable quantum computing"