Wavelength-dependent Optical-rotation Manipulation for Active Color Display and Highly Secure Encryption
Maowen Song, Alexander V. Kildishev, Di Wang, Zhuoxian Wang, Yi Xuan, Alexandra E. Boltasseva, Hong-Lin Yu, Vladimir M. Shalaev · Conference on Lasers and Electro-Optics · 2018
We present a silica coated aluminum metamirror with wavelength-dependent optical rotation effect. Excitation of localized surface plasmons maps discrete polarizations into diverse colors, broadly increasing the encoded information space.