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An All-Photonic Molecular Amplifier and Binary Flip-flop

revised on 25.11.2020, 05:46 and posted on 25.11.2020, 08:26 by Thomas MacDonald, Timothy Schmidt, Jonathon Beves
A chemical system is proposed that is capable of amplifying small optical inputs into large changes in internal composition, based on a feedback interaction between switchable fluorescence and visible-light photoswitching. This system would demonstrate bifurcating reaction kinetics under irradiation and reach one of two stable photostationary states depending on the initial composition of the system. This behavior would allow the system to act as a chemical realization of the flip-flop circuit, the fundamental element in sequential logic and binary memory storage. We use detailed numerical modeling to demonstrate the feasibility of the proposed behavior based on known molecular phenomena, and comment on some of the conditions required to realize this system.


Centre of Excellence in Exciton Science CE170100026

Future Fellowship FT170100094


Email Address of Submitting Author


UNSW Sydney



ORCID For Submitting Author


Declaration of Conflict of Interest

No conflict of interest.