A novel all optical molecular scale full adder
2008
We show, that one molecule can communicate its logic output as input to another molecule. This transfer is achieved as an electronic energy transfer from a donor to an acceptor. We discuss a specific pair, the rhodamine 6G-azulene, for which there is considerable data, but the scheme is general enough to allow a wide choice of D and A pairs. We present results pertaining to a newly synthesized bichromophoric molecule based on this pair, in which a for the first time an all optical full adder is implemented, utilizing two-photon nonlinear optical excitation and intramolecular electronic energy transfer between the two moieties.
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