8 May 2013 All-optical four-bit Toffoli gate with possible implementation in solids
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We examine in detail the cyclic adiabatic population transfer methods for five-level diagrams in order to construct a four-bit universal reversible logic gate. We show that under certain conditions and sequence of turning on and off the laser pulses a five-level system may be reduced to an effective Λ-diagram.
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G. Grigoryan, G. Grigoryan, V. Chaltykyan, V. Chaltykyan, E. Gazazyan, E. Gazazyan, O. Tikhova, O. Tikhova, "All-optical four-bit Toffoli gate with possible implementation in solids", Proc. SPIE 8772, Nonlinear Optics and Applications VII, 87721N (8 May 2013); doi: 10.1117/12.2017148; https://doi.org/10.1117/12.2017148

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