Optical chirality logic gate schematic (IMAGE) Aalto University Caption The optical chirality logic gate is made of a material which emit lights with different circular polarization depending on the chirality of the input beams. Credit Credit: Yi Zhang / Aalto University Usage Restrictions May be used in publications related to this release with appropriate credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.