Multiplexing optical systems: Multicolor‐bifluorescent‐biredox photochromic mixtures

Abstract

Optical memory systems that exhibit multiplexity and multifunctionality may allow high‐density storage and multiple addressing and readout. In a first step towards such systems, it is shown that two‐component mixtures of dithienylethene compounds (e.g., see Figure) can be switched reversibly between four different color states, using light as a trigger. The fluorescence of redox behavior increases the multiplexity (see front cover). magnified image