The linear Stark effect on a single molecule allows us to sweep its frequency through resonance with a fixed laser frequency by applying a sinusoidal RF voltage on two electrodes. If the conditions of adiabatic following are fulfilled, we can prepare the excited molecular state with near certainty. Spontaneous emission from this state gives rise to a single photon. With our current experimental conditions, up to 75% of the sweeps lead to the emission of a single photon. Since the adiabatic passage is done on command, the molecule performs as a high rate source of triggered photons. The experimental results are in quantitative agreement with quantum Monte Carlo simulations.
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© 2001 American Institute of Physics.
2001
American Institute of Physics
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