Dynamically tuning single-photon emission properties by twisting stacked 2D hexagonal boron nitride to specific angles

https://www.science.org/doi/10.1126/sciadv.aec0101

"controlling solid-state quantum light emission wavelengths/ optical pathways requires applying harsh strain or localized electrical voltages often causing structural degradation... overcome altering interfacial alignment between 2D sheets creates shifting localized potential energy landscape directly modifying electronic transitions... highly predictable, non-destructive tuning of single-photon purity/ emission intensity at room temperature... integrated photonic circuits, secure quantum cryptography networks"