Iridescent blue of butterfly wings inspires patterned material layering/ dynamic tuning of advanced optical processes at visible wavelengths

https://www.eurekalert.org/news-releases/1097584

"frequency converted up/ down changing input light polarization/ tuned by changing temperature... dichalcogenide crystal combined with chalcogenide anions,,, scalable using silicon chip technology... resonances 1220 nm, 2X that of exciton, to harness the energy... interaction between exciton/ quasi-bound state in continuum resonance on/ off switchable... 2 to 4 orders magnitude enhancement... adaptive camouflage, night vision, biosensing, photon generation for on-chip computing, secure communications."