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A molecular wire coupled to two electron reservoirs is investigated within atight-binding approach including spin and Coulomb interaction. Under theassumption of weak coupling to the electron reservoirs a quantum masterequation can be derived for the electron transport through the wire. Motivatedby the phenomenon of coherent destruction of tunneling for monochromatic laserfields, the influence of Gaussian laser pulses on the transport through thewires is studied. For situations in which the maximum amplitude of the electricfield fulfills the conditions for the destructive quantum effect the averagecurrent through the system can be suppressed even for a wire consisting of onlyone site. Turning on the electron correlation does not destroy the suppressionof the current by the laser.

Coherent destruction of the current through molecular wires using short laser pulses